diff --git a/src/PhpWord/Autoloader.php b/src/PhpWord/Autoloader.php
index dbc42187..68da845d 100644
--- a/src/PhpWord/Autoloader.php
+++ b/src/PhpWord/Autoloader.php
@@ -41,6 +41,7 @@ class Autoloader
      * Autoload
      *
      * @param string $class
+     * @return void
      */
     public static function autoload($class)
     {
diff --git a/src/PhpWord/Collection/AbstractCollection.php b/src/PhpWord/Collection/AbstractCollection.php
index ae1b6efb..41e40e2e 100644
--- a/src/PhpWord/Collection/AbstractCollection.php
+++ b/src/PhpWord/Collection/AbstractCollection.php
@@ -57,10 +57,11 @@ abstract class AbstractCollection
     }
 
     /**
-     * Set item
+     * Set item.
      *
      * @param int $index
      * @param mixed $item
+     * @return void
      */
     public function setItem($index, $item)
     {
diff --git a/src/PhpWord/Element/AbstractElement.php b/src/PhpWord/Element/AbstractElement.php
index 3fd2e4d0..82aa543e 100644
--- a/src/PhpWord/Element/AbstractElement.php
+++ b/src/PhpWord/Element/AbstractElement.php
@@ -126,9 +126,10 @@ abstract class AbstractElement
     }
 
     /**
-     * Set PhpWord as reference
+     * Set PhpWord as reference.
      *
-     * @param \PhpOffice\PhpWord\PhpWord
+     * @param \PhpOffice\PhpWord\PhpWord &$phpWord
+     * @return void
      */
     public function setPhpWord(PhpWord &$phpWord = null)
     {
@@ -146,10 +147,11 @@ abstract class AbstractElement
     }
 
     /**
-     * Set doc part
+     * Set doc part.
      *
      * @param string $docPart
      * @param int $docPartId
+     * @return void
      */
     public function setDocPart($docPart, $docPartId = 1)
     {
@@ -203,9 +205,10 @@ abstract class AbstractElement
     }
 
     /**
-     * Set element index
+     * Set element index.
      *
      * @param int $value
+     * @return void
      */
     public function setElementIndex($value)
     {
@@ -223,7 +226,9 @@ abstract class AbstractElement
     }
 
     /**
-     * Set element unique ID from 6 first digit of md5
+     * Set element unique ID from 6 first digit of md5.
+     *
+     * @return void
      */
     public function setElementId()
     {
@@ -241,9 +246,10 @@ abstract class AbstractElement
     }
 
     /**
-     * Set relation Id
+     * Set relation Id.
      *
      * @param int $value
+     * @return void
      */
     public function setRelationId($value)
     {
@@ -266,6 +272,7 @@ abstract class AbstractElement
      * Passed parameter should be a container, except for Table (contain Row) and Row (contain Cell)
      *
      * @param \PhpOffice\PhpWord\Element\AbstractElement $container
+     * @return void
      */
     public function setParentContainer(AbstractElement $container)
     {
@@ -295,6 +302,8 @@ abstract class AbstractElement
      *
      * - Image element needs to be passed to Media object
      * - Icon needs to be set for Object element
+     *
+     * @return void
      */
     private function setMediaRelation()
     {
@@ -320,7 +329,9 @@ abstract class AbstractElement
     }
 
     /**
-     * Set relation Id for elements that will be registered in the Collection subnamespaces
+     * Set relation Id for elements that will be registered in the Collection subnamespaces.
+     *
+     * @return void
      */
     private function setCollectionRelation()
     {
diff --git a/src/PhpWord/Element/Chart.php b/src/PhpWord/Element/Chart.php
index 2d709b8c..66c59ff5 100644
--- a/src/PhpWord/Element/Chart.php
+++ b/src/PhpWord/Element/Chart.php
@@ -80,9 +80,10 @@ class Chart extends AbstractElement
     }
 
     /**
-     * Set type
+     * Set type.
      *
      * @param string $value
+     * @return void
      */
     public function setType($value)
     {
@@ -95,6 +96,7 @@ class Chart extends AbstractElement
      *
      * @param array $categories
      * @param array $values
+     * @return void
      */
     public function addSeries($categories, $values)
     {
diff --git a/src/PhpWord/Element/Footer.php b/src/PhpWord/Element/Footer.php
index 142ccfda..8e19eaf7 100644
--- a/src/PhpWord/Element/Footer.php
+++ b/src/PhpWord/Element/Footer.php
@@ -59,10 +59,12 @@ class Footer extends AbstractContainer
     }
 
     /**
-     * Set type
+     * Set type.
+     *
+     * @since 0.10.0
      *
      * @param string $value
-     * @since 0.10.0
+     * @return void
      */
     public function setType($value = self::AUTO)
     {
diff --git a/src/PhpWord/Element/Image.php b/src/PhpWord/Element/Image.php
index 532905f4..e48f703e 100644
--- a/src/PhpWord/Element/Image.php
+++ b/src/PhpWord/Element/Image.php
@@ -257,9 +257,10 @@ class Image extends AbstractElement
     }
 
     /**
-     * Set target file name
+     * Set target file name.
      *
      * @param string $value
+     * @return void
      */
     public function setTarget($value)
     {
@@ -277,9 +278,10 @@ class Image extends AbstractElement
     }
 
     /**
-     * Set media index
+     * Set media index.
      *
      * @param integer $value
+     * @return void
      */
     public function setMediaIndex($value)
     {
@@ -358,9 +360,10 @@ class Image extends AbstractElement
     }
 
     /**
-     * Check memory image, supported type, image functions, and proportional width/height
+     * Check memory image, supported type, image functions, and proportional width/height.
      *
      * @param string $source
+     * @return void
      * @throws \PhpOffice\PhpWord\Exception\InvalidImageException
      * @throws \PhpOffice\PhpWord\Exception\UnsupportedImageTypeException
      */
@@ -395,9 +398,10 @@ class Image extends AbstractElement
     }
 
     /**
-     * Set source type
+     * Set source type.
      *
      * @param string $source
+     * @return void
      */
     private function setSourceType($source)
     {
@@ -443,7 +447,9 @@ class Image extends AbstractElement
     }
 
     /**
-     * Set image functions and extensions
+     * Set image functions and extensions.
+     *
+     * @return void
      */
     private function setFunctions()
     {
@@ -476,10 +482,11 @@ class Image extends AbstractElement
     }
 
     /**
-     * Set proportional width/height if one dimension not available
+     * Set proportional width/height if one dimension not available.
      *
      * @param integer $actualWidth
      * @param integer $actualHeight
+     * @return void
      */
     private function setProportionalSize($actualWidth, $actualHeight)
     {
diff --git a/src/PhpWord/Element/ListItemRun.php b/src/PhpWord/Element/ListItemRun.php
index 82c6f1ab..1b77830d 100644
--- a/src/PhpWord/Element/ListItemRun.php
+++ b/src/PhpWord/Element/ListItemRun.php
@@ -65,7 +65,9 @@ class ListItemRun extends TextRun
     }
 
     /**
-     * Get ListItem style
+     * Get ListItem style.
+     *
+     * @return \PhpOffice\PhpWord\Style\ListItem
      */
     public function getStyle()
     {
@@ -73,7 +75,9 @@ class ListItemRun extends TextRun
     }
 
      /**
-     * Get ListItem depth
+     * Get ListItem depth.
+      *
+      * @return int
      */
     public function getDepth()
     {
diff --git a/src/PhpWord/Element/Object.php b/src/PhpWord/Element/Object.php
index ae279ab0..31943ba6 100644
--- a/src/PhpWord/Element/Object.php
+++ b/src/PhpWord/Element/Object.php
@@ -129,9 +129,10 @@ class Object extends AbstractElement
     }
 
     /**
-     * Set Image Relation ID
+     * Set Image Relation ID.
      *
      * @param int $rId
+     * @return void
      */
     public function setImageRelationId($rId)
     {
diff --git a/src/PhpWord/Element/Section.php b/src/PhpWord/Element/Section.php
index 33c69795..d746f69b 100644
--- a/src/PhpWord/Element/Section.php
+++ b/src/PhpWord/Element/Section.php
@@ -66,9 +66,10 @@ class Section extends AbstractContainer
     }
 
     /**
-     * Set section style
+     * Set section style.
      *
      * @param array $style
+     * @return void
      */
     public function setStyle($style = null)
     {
diff --git a/src/PhpWord/Element/TOC.php b/src/PhpWord/Element/TOC.php
index 9ac74554..a56d9ffe 100644
--- a/src/PhpWord/Element/TOC.php
+++ b/src/PhpWord/Element/TOC.php
@@ -129,9 +129,10 @@ class TOC extends AbstractElement
     }
 
     /**
-     * Set max depth
+     * Set max depth.
      *
      * @param int $value
+     * @return void
      */
     public function setMaxDepth($value)
     {
@@ -149,9 +150,10 @@ class TOC extends AbstractElement
     }
 
     /**
-     * Set min depth
+     * Set min depth.
      *
      * @param int $value
+     * @return void
      */
     public function setMinDepth($value)
     {
diff --git a/src/PhpWord/Element/Table.php b/src/PhpWord/Element/Table.php
index 5e14d6bc..5f0b8f79 100644
--- a/src/PhpWord/Element/Table.php
+++ b/src/PhpWord/Element/Table.php
@@ -118,9 +118,10 @@ class Table extends AbstractElement
     }
 
     /**
-     * Set table width
+     * Set table width.
      *
      * @param int $width
+     * @return void
      */
     public function setWidth($width)
     {
diff --git a/src/PhpWord/PhpWord.php b/src/PhpWord/PhpWord.php
index 7c5cbbfe..3b991e23 100644
--- a/src/PhpWord/PhpWord.php
+++ b/src/PhpWord/PhpWord.php
@@ -218,9 +218,10 @@ class PhpWord
     }
 
     /**
-     * Set default font name
+     * Set default font name.
      *
      * @param string $fontName
+     * @return void
      */
     public function setDefaultFontName($fontName)
     {
@@ -238,9 +239,10 @@ class PhpWord
     }
 
     /**
-     * Set default font size
+     * Set default font size.
      *
      * @param int $fontSize
+     * @return void
      */
     public function setDefaultFontSize($fontSize)
     {
diff --git a/src/PhpWord/Reader/ODText.php b/src/PhpWord/Reader/ODText.php
index 19efdc51..d7d23c80 100644
--- a/src/PhpWord/Reader/ODText.php
+++ b/src/PhpWord/Reader/ODText.php
@@ -51,13 +51,14 @@ class ODText extends AbstractReader implements ReaderInterface
     }
 
     /**
-     * Read document part
+     * Read document part.
      *
      * @param \PhpOffice\PhpWord\PhpWord $phpWord
      * @param array $relationships
      * @param string $partName
      * @param string $docFile
      * @param string $xmlFile
+     * @return void
      */
     private function readPart(PhpWord &$phpWord, $relationships, $partName, $docFile, $xmlFile)
     {
diff --git a/src/PhpWord/Reader/ODText/Content.php b/src/PhpWord/Reader/ODText/Content.php
index 034789ff..9feb669a 100644
--- a/src/PhpWord/Reader/ODText/Content.php
+++ b/src/PhpWord/Reader/ODText/Content.php
@@ -28,9 +28,10 @@ use PhpOffice\PhpWord\Shared\XMLReader;
 class Content extends AbstractPart
 {
     /**
-     * Read content.xml
+     * Read content.xml.
      *
      * @param \PhpOffice\PhpWord\PhpWord $phpWord
+     * @return void
      */
     public function read(PhpWord &$phpWord)
     {
diff --git a/src/PhpWord/Reader/ODText/Meta.php b/src/PhpWord/Reader/ODText/Meta.php
index 518884fd..827446f0 100644
--- a/src/PhpWord/Reader/ODText/Meta.php
+++ b/src/PhpWord/Reader/ODText/Meta.php
@@ -28,9 +28,10 @@ use PhpOffice\PhpWord\Shared\XMLReader;
 class Meta extends AbstractPart
 {
     /**
-     * Read meta.xml
+     * Read meta.xml.
      *
      * @param \PhpOffice\PhpWord\PhpWord $phpWord
+     * @return void
      * @todo Process property type
      */
     public function read(PhpWord &$phpWord)
diff --git a/src/PhpWord/Reader/RTF/Document.php b/src/PhpWord/Reader/RTF/Document.php
index cb082fdc..26763576 100644
--- a/src/PhpWord/Reader/RTF/Document.php
+++ b/src/PhpWord/Reader/RTF/Document.php
@@ -130,6 +130,7 @@ class Document
      * - Pushes every other character into the text queue
      *
      * @param \PhpOffice\PhpWord\PhpWord $phpWord
+     * @return void
      * @todo Use `fread` stream for scalability
      */
     public function read(PhpWord &$phpWord)
@@ -181,7 +182,9 @@ class Document
     }
 
     /**
-     * Mark opening braket `{` character
+     * Mark opening braket `{` character.
+     *
+     * @return void
      */
     private function markOpening()
     {
@@ -190,7 +193,9 @@ class Document
     }
 
     /**
-     * Mark closing braket `}` character
+     * Mark closing braket `}` character.
+     *
+     * @return void
      */
     private function markClosing()
     {
@@ -199,7 +204,9 @@ class Document
     }
 
     /**
-     * Mark backslash `\` character
+     * Mark backslash `\` character.
+     *
+     * @return void
      */
     private function markBackslash()
     {
@@ -214,7 +221,9 @@ class Document
     }
 
     /**
-     * Mark newline character: Flush control word because it's not possible to span multiline
+     * Mark newline character: Flush control word because it's not possible to span multiline.
+     *
+     * @return void
      */
     private function markNewline()
     {
@@ -224,9 +233,10 @@ class Document
     }
 
     /**
-     * Flush control word or text
+     * Flush control word or text.
      *
      * @param bool $isControl
+     * @return void
      */
     private function flush($isControl = false)
     {
@@ -238,9 +248,10 @@ class Document
     }
 
     /**
-     * Flush control word
+     * Flush control word.
      *
      * @param bool $isControl
+     * @return void
      */
     private function flushControl($isControl = false)
     {
@@ -255,7 +266,9 @@ class Document
     }
 
     /**
-     * Flush text in queue
+     * Flush text in queue.
+     *
+     * @return void
      */
     private function flushText()
     {
@@ -279,9 +292,10 @@ class Document
     }
 
     /**
-     * Reset control word and first char state
+     * Reset control word and first char state.
      *
      * @param bool $value
+     * @return void
      */
     private function setControl($value)
     {
@@ -290,9 +304,10 @@ class Document
     }
 
     /**
-     * Push text into queue
+     * Push text into queue.
      *
      * @param string $char
+     * @return void
      */
     private function pushText($char)
     {
@@ -306,10 +321,11 @@ class Document
     }
 
     /**
-     * Parse control
+     * Parse control.
      *
      * @param string $control
      * @param string $parameter
+     * @return void
      */
     private function parseControl($control, $parameter)
     {
@@ -346,9 +362,10 @@ class Document
     }
 
     /**
-     * Read paragraph
+     * Read paragraph.
      *
      * @param array $directives
+     * @return void
      */
     private function readParagraph($directives)
     {
@@ -358,9 +375,10 @@ class Document
     }
 
     /**
-     * Read style
+     * Read style.
      *
      * @param array $directives
+     * @return void
      */
     private function readStyle($directives)
     {
@@ -369,9 +387,10 @@ class Document
     }
 
     /**
-     * Read skip
+     * Read skip.
      *
      * @param array $directives
+     * @return void
      */
     private function readSkip($directives)
     {
@@ -381,7 +400,9 @@ class Document
     }
 
     /**
-     * Read text
+     * Read text.
+     *
+     * @return void
      */
     private function readText()
     {
diff --git a/src/PhpWord/Reader/Word2007.php b/src/PhpWord/Reader/Word2007.php
index 70d5f60b..acf40483 100644
--- a/src/PhpWord/Reader/Word2007.php
+++ b/src/PhpWord/Reader/Word2007.php
@@ -75,13 +75,14 @@ class Word2007 extends AbstractReader implements ReaderInterface
     }
 
     /**
-     * Read document part
+     * Read document part.
      *
      * @param \PhpOffice\PhpWord\PhpWord $phpWord
      * @param array $relationships
      * @param string $partName
      * @param string $docFile
      * @param string $xmlFile
+     * @return void
      */
     private function readPart(PhpWord &$phpWord, $relationships, $partName, $docFile, $xmlFile)
     {
diff --git a/src/PhpWord/Reader/Word2007/AbstractPart.php b/src/PhpWord/Reader/Word2007/AbstractPart.php
index ac26dee5..0309f193 100644
--- a/src/PhpWord/Reader/Word2007/AbstractPart.php
+++ b/src/PhpWord/Reader/Word2007/AbstractPart.php
@@ -62,7 +62,7 @@ abstract class AbstractPart
     protected $rels = array();
 
     /**
-     * Read part
+     * Read part.
      */
     abstract public function read(PhpWord &$phpWord);
 
@@ -79,9 +79,10 @@ abstract class AbstractPart
     }
 
     /**
-     * Set relationships
+     * Set relationships.
      *
      * @param array $value
+     * @return void
      */
     public function setRels($value)
     {
@@ -89,12 +90,13 @@ abstract class AbstractPart
     }
 
     /**
-     * Read w:p
+     * Read w:p.
      *
      * @param \PhpOffice\PhpWord\Shared\XMLReader $xmlReader
      * @param \DOMElement $domNode
      * @param mixed $parent
      * @param string $docPart
+     * @return void
      *
      * @todo Get font style for preserve text
      */
@@ -179,13 +181,14 @@ abstract class AbstractPart
     }
 
     /**
-     * Read w:r
+     * Read w:r.
      *
      * @param \PhpOffice\PhpWord\Shared\XMLReader $xmlReader
      * @param \DOMElement $domNode
      * @param mixed $parent
      * @param string $docPart
      * @param mixed $paragraphStyle
+     * @return void
      *
      * @todo Footnote paragraph style
      */
@@ -241,12 +244,13 @@ abstract class AbstractPart
     }
 
     /**
-     * Read w:tbl
+     * Read w:tbl.
      *
      * @param \PhpOffice\PhpWord\Shared\XMLReader $xmlReader
      * @param \DOMElement $domNode
      * @param mixed $parent
      * @param string $docPart
+     * @return void
      */
     protected function readTable(XMLReader $xmlReader, \DOMElement $domNode, &$parent, $docPart = 'document')
     {
@@ -301,7 +305,7 @@ abstract class AbstractPart
     }
 
     /**
-     * Read w:pPr
+     * Read w:pPr.
      *
      * @param \PhpOffice\PhpWord\Shared\XMLReader $xmlReader
      * @param \DOMElement $domNode
@@ -337,7 +341,7 @@ abstract class AbstractPart
      *
      * @param \PhpOffice\PhpWord\Shared\XMLReader $xmlReader
      * @param \DOMElement $domNode
-     * @return array
+     * @return array|null
      */
     protected function readFontStyle(XMLReader $xmlReader, \DOMElement $domNode)
     {
diff --git a/src/PhpWord/Reader/Word2007/DocPropsCore.php b/src/PhpWord/Reader/Word2007/DocPropsCore.php
index e50f295b..d8a8768d 100644
--- a/src/PhpWord/Reader/Word2007/DocPropsCore.php
+++ b/src/PhpWord/Reader/Word2007/DocPropsCore.php
@@ -52,9 +52,10 @@ class DocPropsCore extends AbstractPart
     protected $callbacks = array('dcterms:created' => 'strtotime', 'dcterms:modified' => 'strtotime');
 
     /**
-     * Read core/extended document properties
+     * Read core/extended document properties.
      *
      * @param \PhpOffice\PhpWord\PhpWord $phpWord
+     * @return void
      */
     public function read(PhpWord &$phpWord)
     {
diff --git a/src/PhpWord/Reader/Word2007/DocPropsCustom.php b/src/PhpWord/Reader/Word2007/DocPropsCustom.php
index 54fe39ee..5f99495e 100644
--- a/src/PhpWord/Reader/Word2007/DocPropsCustom.php
+++ b/src/PhpWord/Reader/Word2007/DocPropsCustom.php
@@ -29,9 +29,10 @@ use PhpOffice\PhpWord\Shared\XMLReader;
 class DocPropsCustom extends AbstractPart
 {
     /**
-     * Read custom document properties
+     * Read custom document properties.
      *
      * @param \PhpOffice\PhpWord\PhpWord $phpWord
+     * @return void
      */
     public function read(PhpWord &$phpWord)
     {
diff --git a/src/PhpWord/Reader/Word2007/Document.php b/src/PhpWord/Reader/Word2007/Document.php
index 02084189..1d51819f 100644
--- a/src/PhpWord/Reader/Word2007/Document.php
+++ b/src/PhpWord/Reader/Word2007/Document.php
@@ -17,9 +17,9 @@
 
 namespace PhpOffice\PhpWord\Reader\Word2007;
 
+use PhpOffice\PhpWord\Element\Section;
 use PhpOffice\PhpWord\PhpWord;
 use PhpOffice\PhpWord\Shared\XMLReader;
-use PhpOffice\PhpWord\Element\Section;
 
 /**
  * Document reader
@@ -37,9 +37,10 @@ class Document extends AbstractPart
     private $phpWord;
 
     /**
-     * Read document.xml
+     * Read document.xml.
      *
      * @param \PhpOffice\PhpWord\PhpWord $phpWord
+     * @return void
      */
     public function read(PhpWord &$phpWord)
     {
@@ -61,10 +62,11 @@ class Document extends AbstractPart
     }
 
     /**
-     * Read header footer
+     * Read header footer.
      *
      * @param array $settings
      * @param \PhpOffice\PhpWord\Element\Section $section
+     * @return void
      */
     private function readHeaderFooter($settings, Section &$section)
     {
@@ -138,11 +140,12 @@ class Document extends AbstractPart
     }
 
     /**
-     * Read w:p node
+     * Read w:p node.
      *
      * @param \PhpOffice\PhpWord\Shared\XMLReader $xmlReader
      * @param \DOMElement $node
      * @param \PhpOffice\PhpWord\Element\Section $section
+     * @return void
      *
      * @todo <w:lastRenderedPageBreak>
      */
@@ -167,11 +170,12 @@ class Document extends AbstractPart
     }
 
     /**
-     * Read w:sectPr node
+     * Read w:sectPr node.
      *
      * @param \PhpOffice\PhpWord\Shared\XMLReader $xmlReader
      * @param \DOMElement $node
      * @param \PhpOffice\PhpWord\Element\Section $section
+     * @return void
      */
     private function readWSectPrNode(XMLReader $xmlReader, \DOMElement $node, Section &$section)
     {
diff --git a/src/PhpWord/Reader/Word2007/Footnotes.php b/src/PhpWord/Reader/Word2007/Footnotes.php
index 47713cfb..fd351014 100644
--- a/src/PhpWord/Reader/Word2007/Footnotes.php
+++ b/src/PhpWord/Reader/Word2007/Footnotes.php
@@ -42,9 +42,10 @@ class Footnotes extends AbstractPart
     protected $element = 'footnote';
 
     /**
-     * Read (footnotes|endnotes).xml
+     * Read (footnotes|endnotes).xml.
      *
      * @param \PhpOffice\PhpWord\PhpWord $phpWord
+     * @return void
      */
     public function read(PhpWord &$phpWord)
     {
diff --git a/src/PhpWord/Reader/Word2007/Numbering.php b/src/PhpWord/Reader/Word2007/Numbering.php
index 2dd3f521..bc34bd68 100644
--- a/src/PhpWord/Reader/Word2007/Numbering.php
+++ b/src/PhpWord/Reader/Word2007/Numbering.php
@@ -28,9 +28,10 @@ use PhpOffice\PhpWord\Shared\XMLReader;
 class Numbering extends AbstractPart
 {
     /**
-     * Read numbering.xml
+     * Read numbering.xml.
      *
      * @param \PhpOffice\PhpWord\PhpWord $phpWord
+     * @return void
      */
     public function read(PhpWord &$phpWord)
     {
diff --git a/src/PhpWord/Reader/Word2007/Styles.php b/src/PhpWord/Reader/Word2007/Styles.php
index 7dc4b6ea..00010af6 100644
--- a/src/PhpWord/Reader/Word2007/Styles.php
+++ b/src/PhpWord/Reader/Word2007/Styles.php
@@ -28,9 +28,10 @@ use PhpOffice\PhpWord\Shared\XMLReader;
 class Styles extends AbstractPart
 {
     /**
-     * Read styles.xml
+     * Read styles.xml.
      *
      * @param \PhpOffice\PhpWord\PhpWord $phpWord
+     * @return void
      */
     public function read(PhpWord &$phpWord)
     {
diff --git a/src/PhpWord/Settings.php b/src/PhpWord/Settings.php
index cb74389a..8481717b 100644
--- a/src/PhpWord/Settings.php
+++ b/src/PhpWord/Settings.php
@@ -188,7 +188,9 @@ class Settings
     }
 
     /**
-     * Return the PDF Rendering Library
+     * Return the PDF Rendering Library.
+     *
+     * @return string
      */
     public static function getPdfRendererName()
     {
@@ -214,7 +216,9 @@ class Settings
 
 
     /**
-     * Return the directory path to the PDF Rendering Library
+     * Return the directory path to the PDF Rendering Library.
+     *
+     * @return string
      */
     public static function getPdfRendererPath()
     {
diff --git a/src/PhpWord/Shared/Html.php b/src/PhpWord/Shared/Html.php
index fc23b5b0..86d466db 100644
--- a/src/PhpWord/Shared/Html.php
+++ b/src/PhpWord/Shared/Html.php
@@ -27,13 +27,14 @@ use PhpOffice\PhpWord\Element\AbstractContainer;
 class Html
 {
     /**
-     * Add HTML parts
+     * Add HTML parts.
      *
      * Note: $stylesheet parameter is removed to avoid PHPMD error for unused parameter
      *
      * @param \PhpOffice\PhpWord\Element\AbstractContainer $element Where the parts need to be added
      * @param string $html The code to parse
      * @param bool $fullHTML If it's a full HTML, no need to add 'body' tag
+     * @return void
      */
     public static function addHtml($element, $html, $fullHTML = false)
     {
@@ -88,12 +89,13 @@ class Html
     }
 
     /**
-     * Parse a node and add a corresponding element to the parent element
+     * Parse a node and add a corresponding element to the parent element.
      *
      * @param \DOMNode $node node to parse
      * @param \PhpOffice\PhpWord\Element\AbstractContainer $element object to add an element corresponding with the node
      * @param array $styles Array with all styles
      * @param array $data Array to transport data to a next level in the DOM tree, for example level of listitems
+     * @return void
      */
     protected static function parseNode($node, $element, $styles = array(), $data = array())
     {
@@ -162,12 +164,13 @@ class Html
     }
 
     /**
-     * Parse child nodes
+     * Parse child nodes.
      *
      * @param \DOMNode $node
      * @param \PhpOffice\PhpWord\Element\AbstractContainer $element
      * @param array $styles
      * @param array $data
+     * @return void
      */
     private static function parseChildNodes($node, $element, $styles, $data)
     {
diff --git a/src/PhpWord/Shared/String.php b/src/PhpWord/Shared/String.php
index 1e4504cc..be04fd0e 100644
--- a/src/PhpWord/Shared/String.php
+++ b/src/PhpWord/Shared/String.php
@@ -178,7 +178,9 @@ class String
     }
 
     /**
-     * Build control characters array
+     * Build control characters array.
+     *
+     * @return void
      */
     private static function buildControlCharacters()
     {
diff --git a/src/PhpWord/Shared/XMLWriter.php b/src/PhpWord/Shared/XMLWriter.php
index 8691ae1d..3d8b8457 100644
--- a/src/PhpWord/Shared/XMLWriter.php
+++ b/src/PhpWord/Shared/XMLWriter.php
@@ -149,6 +149,7 @@ class XMLWriter
      * @param string $element
      * @param string|array $attributes
      * @param string $value
+     * @return void
      */
     public function writeElementBlock($element, $attributes, $value = null)
     {
@@ -169,6 +170,7 @@ class XMLWriter
      * @param string $element
      * @param string $attribute
      * @param mixed $value
+     * @return void
      */
     public function writeElementIf($condition, $element, $attribute = null, $value = null)
     {
@@ -189,6 +191,7 @@ class XMLWriter
      * @param bool $condition
      * @param string $attribute
      * @param mixed $value
+     * @return void
      */
     public function writeAttributeIf($condition, $attribute, $value)
     {
diff --git a/src/PhpWord/Style.php b/src/PhpWord/Style.php
index d56c73fe..73af4f5d 100644
--- a/src/PhpWord/Style.php
+++ b/src/PhpWord/Style.php
@@ -123,8 +123,11 @@ class Style
     }
 
     /**
-     * Reset styles
+     * Reset styles.
+     *
      * @since 0.10.0
+     *
+     * @return void
      */
     public static function resetStyles()
     {
diff --git a/src/PhpWord/Style/Cell.php b/src/PhpWord/Style/Cell.php
index 2d1b88d0..11290c87 100644
--- a/src/PhpWord/Style/Cell.php
+++ b/src/PhpWord/Style/Cell.php
@@ -94,7 +94,9 @@ class Cell extends Border
     private $shading;
 
     /**
-     * Get vertical align
+     * Get vertical align.
+     *
+     * @return string
      */
     public function getVAlign()
     {
@@ -116,7 +118,9 @@ class Cell extends Border
     }
 
     /**
-     * Get text direction
+     * Get text direction.
+     *
+     * @return string
      */
     public function getTextDirection()
     {
@@ -163,7 +167,9 @@ class Cell extends Border
     }
 
     /**
-     * Get grid span (colspan)
+     * Get grid span (colspan).
+     *
+     * @return integer
      */
     public function getGridSpan()
     {
@@ -184,7 +190,9 @@ class Cell extends Border
     }
 
     /**
-     * Get vertical merge (rowspan)
+     * Get vertical merge (rowspan).
+     *
+     * @return string
      */
     public function getVMerge()
     {
diff --git a/src/PhpWord/Style/TextBox.php b/src/PhpWord/Style/TextBox.php
index 9f0a1dde..6220b740 100644
--- a/src/PhpWord/Style/TextBox.php
+++ b/src/PhpWord/Style/TextBox.php
@@ -67,9 +67,10 @@ class TextBox extends Image
     private $borderColor;
 
     /**
-     * Set margin top
+     * Set margin top.
      *
      * @param int $value
+     * @return void
      */
     public function setInnerMarginTop($value = null)
     {
@@ -87,9 +88,10 @@ class TextBox extends Image
     }
 
     /**
-     * Set margin left
+     * Set margin left.
      *
      * @param int $value
+     * @return void
      */
     public function setInnerMarginLeft($value = null)
     {
@@ -107,9 +109,10 @@ class TextBox extends Image
     }
 
     /**
-     * Set margin right
+     * Set margin right.
      *
      * @param int $value
+     * @return void
      */
     public function setInnerMarginRight($value = null)
     {
@@ -127,9 +130,10 @@ class TextBox extends Image
     }
 
     /**
-     * Set margin bottom
+     * Set margin bottom.
      *
      * @param int $value
+     * @return void
      */
     public function setInnerMarginBottom($value = null)
     {
@@ -147,9 +151,10 @@ class TextBox extends Image
     }
 
     /**
-     * Set TLRB cell margin
+     * Set TLRB cell margin.
      *
      * @param int $value Margin in twips
+     * @return void
      */
     public function setInnerMargin($value = null)
     {
@@ -188,9 +193,10 @@ class TextBox extends Image
     }
 
     /**
-     * Set border size
+     * Set border size.
      *
      * @param int $value Size in points
+     * @return void
      */
     public function setBorderSize($value = null)
     {
@@ -208,9 +214,10 @@ class TextBox extends Image
     }
 
     /**
-     * Set border color
+     * Set border color.
      *
      * @param string $value
+     * @return void
      */
     public function setBorderColor($value = null)
     {
diff --git a/src/PhpWord/Template.php b/src/PhpWord/Template.php
index fc224d14..2d994574 100644
--- a/src/PhpWord/Template.php
+++ b/src/PhpWord/Template.php
@@ -181,6 +181,7 @@ class Template
      *
      * @param string $search
      * @param integer $numberOfClones
+     * @return void
      * @throws \PhpOffice\PhpWord\Exception\Exception
      */
     public function cloneRow($search, $numberOfClones)
diff --git a/src/PhpWord/Writer/AbstractWriter.php b/src/PhpWord/Writer/AbstractWriter.php
index 8e7cb71d..58ec89b0 100644
--- a/src/PhpWord/Writer/AbstractWriter.php
+++ b/src/PhpWord/Writer/AbstractWriter.php
@@ -233,8 +233,9 @@ abstract class AbstractWriter implements WriterInterface
     }
 
     /**
-     * Cleanup temporary file
+     * Cleanup temporary file.
      *
+     * @return void
      * @throws \PhpOffice\PhpWord\Exception\CopyFileException
      */
     protected function cleanupTempFile()
@@ -253,7 +254,9 @@ abstract class AbstractWriter implements WriterInterface
     }
 
     /**
-     * Clear temporary directory
+     * Clear temporary directory.
+     *
+     * @return void
      */
     protected function clearTempDir()
     {
@@ -314,11 +317,13 @@ abstract class AbstractWriter implements WriterInterface
     }
 
     /**
-     * Write content to file
+     * Write content to file.
      *
-     * @param resource $fileHandle
-     * @param string $content
      * @since 0.11.0
+     *
+     * @param resource &$fileHandle
+     * @param string $content
+     * @return void
      */
     protected function writeFile(&$fileHandle, $content)
     {
@@ -328,10 +333,11 @@ abstract class AbstractWriter implements WriterInterface
     }
 
     /**
-     * Add files to package
+     * Add files to package.
      *
      * @param \PhpOffice\PhpWord\Shared\ZipArchive $zip
      * @param mixed $elements
+     * @return void
      */
     protected function addFilesToPackage(ZipArchive $zip, $elements)
     {
@@ -360,13 +366,14 @@ abstract class AbstractWriter implements WriterInterface
     }
 
     /**
-     * Add file to package
+     * Add file to package.
      *
-     * Get the actual source from an archive image
+     * Get the actual source from an archive image.
      *
      * @param \PhpOffice\PhpWord\Shared\ZipArchive $zipPackage
      * @param string $source
      * @param string $target
+     * @return void
      */
     protected function addFileToPackage($zipPackage, $source, $target)
     {
@@ -394,9 +401,10 @@ abstract class AbstractWriter implements WriterInterface
     }
 
     /**
-     * Delete directory
+     * Delete directory.
      *
      * @param string $dir
+     * @return void
      */
     private function deleteDir($dir)
     {
diff --git a/src/PhpWord/Writer/HTML.php b/src/PhpWord/Writer/HTML.php
index 29173ff2..502c50e9 100644
--- a/src/PhpWord/Writer/HTML.php
+++ b/src/PhpWord/Writer/HTML.php
@@ -61,9 +61,10 @@ class HTML extends AbstractWriter implements WriterInterface
     }
 
     /**
-     * Save PhpWord to file
+     * Save PhpWord to file.
      *
      * @param string $filename
+     * @return void
      * @throws \PhpOffice\PhpWord\Exception\Exception
      */
     public function save($filename = null)
@@ -113,10 +114,11 @@ class HTML extends AbstractWriter implements WriterInterface
     }
 
     /**
-     * Add note
+     * Add note.
      *
      * @param int $noteId
      * @param string $noteMark
+     * @return void
      */
     public function addNote($noteId, $noteMark)
     {
diff --git a/src/PhpWord/Writer/HTML/Element/AbstractElement.php b/src/PhpWord/Writer/HTML/Element/AbstractElement.php
index 53b994df..73f88d3d 100644
--- a/src/PhpWord/Writer/HTML/Element/AbstractElement.php
+++ b/src/PhpWord/Writer/HTML/Element/AbstractElement.php
@@ -68,9 +68,10 @@ abstract class AbstractElement
     }
 
     /**
-     * Set without paragraph
+     * Set without paragraph.
      *
      * @param bool $value
+     * @return void
      */
     public function setWithoutP($value)
     {
diff --git a/src/PhpWord/Writer/HTML/Element/Text.php b/src/PhpWord/Writer/HTML/Element/Text.php
index 52e7a6b5..c2d4134a 100644
--- a/src/PhpWord/Writer/HTML/Element/Text.php
+++ b/src/PhpWord/Writer/HTML/Element/Text.php
@@ -81,9 +81,10 @@ class Text extends AbstractElement
     }
 
     /**
-     * Set opening text
+     * Set opening text.
      *
      * @param string $value
+     * @return void
      */
     public function setOpeningText($value)
     {
@@ -91,9 +92,10 @@ class Text extends AbstractElement
     }
 
     /**
-     * Set closing text
+     * Set closing text.
      *
      * @param string $value
+     * @return void
      */
     public function setClosingText($value)
     {
@@ -164,7 +166,9 @@ class Text extends AbstractElement
     }
 
     /**
-     * Get font style
+     * Get font style.
+     *
+     * @return void
      */
     private function getFontStyle()
     {
diff --git a/src/PhpWord/Writer/HTML/Part/AbstractPart.php b/src/PhpWord/Writer/HTML/Part/AbstractPart.php
index 319aa20f..124cc15a 100644
--- a/src/PhpWord/Writer/HTML/Part/AbstractPart.php
+++ b/src/PhpWord/Writer/HTML/Part/AbstractPart.php
@@ -42,9 +42,10 @@ abstract class AbstractPart
     abstract public function write();
 
     /**
-     * Set parent writer
+     * Set parent writer.
      *
      * @param \PhpOffice\PhpWord\Writer\AbstractWriter $writer
+     * @return void
      */
     public function setParentWriter(AbstractWriter $writer = null)
     {
diff --git a/src/PhpWord/Writer/HTML/Part/Head.php b/src/PhpWord/Writer/HTML/Part/Head.php
index 23e30b8d..4bfe3046 100644
--- a/src/PhpWord/Writer/HTML/Part/Head.php
+++ b/src/PhpWord/Writer/HTML/Part/Head.php
@@ -18,9 +18,9 @@
 namespace PhpOffice\PhpWord\Writer\HTML\Part;
 
 use PhpOffice\PhpWord\Settings;
-use PhpOffice\PhpWord\Style;
 use PhpOffice\PhpWord\Style\Font;
 use PhpOffice\PhpWord\Style\Paragraph;
+use PhpOffice\PhpWord\Style;
 use PhpOffice\PhpWord\Writer\HTML\Style\Font as FontStyleWriter;
 use PhpOffice\PhpWord\Writer\HTML\Style\Generic as GenericStyleWriter;
 use PhpOffice\PhpWord\Writer\HTML\Style\Paragraph as ParagraphStyleWriter;
@@ -71,6 +71,7 @@ class Head extends AbstractPart
 
         return $content;
     }
+
     /**
      * Get styles
      *
diff --git a/src/PhpWord/Writer/HTML/Style/AbstractStyle.php b/src/PhpWord/Writer/HTML/Style/AbstractStyle.php
index c729ec55..07ef1618 100644
--- a/src/PhpWord/Writer/HTML/Style/AbstractStyle.php
+++ b/src/PhpWord/Writer/HTML/Style/AbstractStyle.php
@@ -56,9 +56,10 @@ abstract class AbstractStyle
     }
 
     /**
-     * Set parent writer
+     * Set parent writer.
      *
      * @param \PhpOffice\PhpWord\Writer\AbstractWriter $writer
+     * @return void
      */
     public function setParentWriter($writer)
     {
diff --git a/src/PhpWord/Writer/ODText.php b/src/PhpWord/Writer/ODText.php
index f9c8d5d4..8fa364be 100644
--- a/src/PhpWord/Writer/ODText.php
+++ b/src/PhpWord/Writer/ODText.php
@@ -60,9 +60,10 @@ class ODText extends AbstractWriter implements WriterInterface
     }
 
     /**
-     * Save PhpWord to file
+     * Save PhpWord to file.
      *
-     * @param  string $filename
+     * @param string $filename
+     * @return void
      */
     public function save($filename = null)
     {
diff --git a/src/PhpWord/Writer/ODText/Part/AbstractPart.php b/src/PhpWord/Writer/ODText/Part/AbstractPart.php
index 31118ef9..edc8d07f 100644
--- a/src/PhpWord/Writer/ODText/Part/AbstractPart.php
+++ b/src/PhpWord/Writer/ODText/Part/AbstractPart.php
@@ -34,7 +34,10 @@ abstract class AbstractPart extends Word2007AbstractPart
     protected $dateFormat = 'Y-m-d\TH:i:s.000';
 
     /**
-     * Write common root attributes
+     * Write common root attributes.
+     *
+     * @param \PhpOffice\PhpWord\Shared\XMLWriter $xmlWriter
+     * @return void
      */
     protected function writeCommonRootAttributes(XMLWriter $xmlWriter)
     {
@@ -68,7 +71,10 @@ abstract class AbstractPart extends Word2007AbstractPart
     }
 
     /**
-     * Write font faces declaration
+     * Write font faces declaration.
+     *
+     * @param \PhpOffice\PhpWord\Shared\XMLWriter $xmlWriter
+     * @return void
      */
     protected function writeFontFaces(XMLWriter $xmlWriter)
     {
diff --git a/src/PhpWord/Writer/ODText/Part/Content.php b/src/PhpWord/Writer/ODText/Part/Content.php
index 51326210..b2159d7d 100644
--- a/src/PhpWord/Writer/ODText/Part/Content.php
+++ b/src/PhpWord/Writer/ODText/Part/Content.php
@@ -23,10 +23,10 @@ use PhpOffice\PhpWord\Element\Text;
 use PhpOffice\PhpWord\Element\TextRun;
 use PhpOffice\PhpWord\PhpWord;
 use PhpOffice\PhpWord\Shared\XMLWriter;
-use PhpOffice\PhpWord\Style;
 use PhpOffice\PhpWord\Style\Font;
 use PhpOffice\PhpWord\Style\Paragraph;
 use PhpOffice\PhpWord\Style\Table as TableStyle;
+use PhpOffice\PhpWord\Style;
 use PhpOffice\PhpWord\Writer\ODText\Element\Container;
 use PhpOffice\PhpWord\Writer\ODText\Style\Paragraph as ParagraphStyleWriter;
 
@@ -106,9 +106,12 @@ class Content extends AbstractPart
     }
 
     /**
-     * Write automatic styles other than fonts and paragraphs
+     * Write automatic styles other than fonts and paragraphs.
      *
      * @since 0.11.0
+     *
+     * @param \PhpOffice\PhpWord\Shared\XMLWriter $xmlWriter
+     * @return void
      */
     private function writeAutoStyles(XMLWriter $xmlWriter)
     {
@@ -129,7 +132,10 @@ class Content extends AbstractPart
     }
 
     /**
-     * Write automatic styles
+     * Write automatic styles.
+     *
+     * @param \PhpOffice\PhpWord\Shared\XMLWriter $xmlWriter
+     * @return void
      */
     private function writeTextStyles(XMLWriter $xmlWriter)
     {
@@ -160,7 +166,10 @@ class Content extends AbstractPart
     }
 
     /**
-     * Get automatic styles
+     * Get automatic styles.
+     *
+     * @param \PhpOffice\PhpWord\PhpWord $phpWord
+     * @return void
      */
     private function getAutoStyles(PhpWord $phpWord)
     {
@@ -183,6 +192,7 @@ class Content extends AbstractPart
      * @param \PhpOffice\PhpWord\Element\AbstractContainer $container
      * @param int $paragraphStyleCount
      * @param int $fontStyleCount
+     * @return void
      * @todo Simplify the logic
      */
     private function getContainerStyle($container, &$paragraphStyleCount, &$fontStyleCount)
@@ -216,6 +226,7 @@ class Content extends AbstractPart
      * @param \PhpOffice\PhpWord\Element\Text $element
      * @param int $paragraphStyleCount
      * @param int $fontStyleCount
+     * @return void
      */
     private function getElementStyle(&$element, &$paragraphStyleCount, &$fontStyleCount)
     {
diff --git a/src/PhpWord/Writer/ODText/Part/Meta.php b/src/PhpWord/Writer/ODText/Part/Meta.php
index 9dab2e23..15c81a4e 100644
--- a/src/PhpWord/Writer/ODText/Part/Meta.php
+++ b/src/PhpWord/Writer/ODText/Part/Meta.php
@@ -89,6 +89,7 @@ class Meta extends AbstractPart
      * @param \PhpOffice\PhpWord\Shared\XMLWriter $xmlWriter
      * @param string $property
      * @param string $value
+     * @return void
      *
      * @todo Handle other `$type`: double|date|dateTime|duration|boolean (4th arguments)
      */
diff --git a/src/PhpWord/Writer/ODText/Part/Styles.php b/src/PhpWord/Writer/ODText/Part/Styles.php
index b7864fe3..7522872d 100644
--- a/src/PhpWord/Writer/ODText/Part/Styles.php
+++ b/src/PhpWord/Writer/ODText/Part/Styles.php
@@ -61,7 +61,10 @@ class Styles extends AbstractPart
     }
 
     /**
-     * Write default styles
+     * Write default styles.
+     *
+     * @param \PhpOffice\PhpWord\Shared\XMLWriter $xmlWriter
+     * @return void
      */
     private function writeDefault(XMLWriter $xmlWriter)
     {
@@ -103,7 +106,10 @@ class Styles extends AbstractPart
     }
 
     /**
-     * Write named styles
+     * Write named styles.
+     *
+     * @param \PhpOffice\PhpWord\Shared\XMLWriter $xmlWriter
+     * @return void
      */
     private function writeNamed(XMLWriter $xmlWriter)
     {
@@ -122,7 +128,10 @@ class Styles extends AbstractPart
         }
     }
     /**
-     * Write page layout styles
+     * Write page layout styles.
+     *
+     * @param \PhpOffice\PhpWord\Shared\XMLWriter $xmlWriter
+     * @return void
      */
     private function writePageLayout(XMLWriter $xmlWriter)
     {
@@ -170,8 +179,12 @@ class Styles extends AbstractPart
 
         $xmlWriter->endElement(); // style:page-layout
     }
+
     /**
-     * Write master style
+     * Write master style.
+     *
+     * @param \PhpOffice\PhpWord\Shared\XMLWriter $xmlWriter
+     * @return void
      */
     private function writeMaster(XMLWriter $xmlWriter)
     {
diff --git a/src/PhpWord/Writer/ODText/Style/Font.php b/src/PhpWord/Writer/ODText/Style/Font.php
index acab0ee5..45184505 100644
--- a/src/PhpWord/Writer/ODText/Style/Font.php
+++ b/src/PhpWord/Writer/ODText/Style/Font.php
@@ -25,7 +25,9 @@ namespace PhpOffice\PhpWord\Writer\ODText\Style;
 class Font extends AbstractStyle
 {
     /**
-     * Write style
+     * Write style.
+     *
+     * @return void
      */
     public function write()
     {
diff --git a/src/PhpWord/Writer/ODText/Style/Image.php b/src/PhpWord/Writer/ODText/Style/Image.php
index de97f474..21b9c4ee 100644
--- a/src/PhpWord/Writer/ODText/Style/Image.php
+++ b/src/PhpWord/Writer/ODText/Style/Image.php
@@ -25,7 +25,9 @@ namespace PhpOffice\PhpWord\Writer\ODText\Style;
 class Image extends AbstractStyle
 {
     /**
-     * Write style
+     * Write style.
+     *
+     * @return void
      */
     public function write()
     {
diff --git a/src/PhpWord/Writer/ODText/Style/Paragraph.php b/src/PhpWord/Writer/ODText/Style/Paragraph.php
index 133b8cdf..03e605a1 100644
--- a/src/PhpWord/Writer/ODText/Style/Paragraph.php
+++ b/src/PhpWord/Writer/ODText/Style/Paragraph.php
@@ -25,7 +25,9 @@ namespace PhpOffice\PhpWord\Writer\ODText\Style;
 class Paragraph extends AbstractStyle
 {
     /**
-     * Write style
+     * Write style.
+     *
+     * @return void
      */
     public function write()
     {
diff --git a/src/PhpWord/Writer/ODText/Style/Section.php b/src/PhpWord/Writer/ODText/Style/Section.php
index 3d910157..fa432856 100644
--- a/src/PhpWord/Writer/ODText/Style/Section.php
+++ b/src/PhpWord/Writer/ODText/Style/Section.php
@@ -25,7 +25,9 @@ namespace PhpOffice\PhpWord\Writer\ODText\Style;
 class Section extends AbstractStyle
 {
     /**
-     * Write style
+     * Write style.
+     *
+     * @return void
      */
     public function write()
     {
diff --git a/src/PhpWord/Writer/ODText/Style/Table.php b/src/PhpWord/Writer/ODText/Style/Table.php
index b32349af..dbfb94ed 100644
--- a/src/PhpWord/Writer/ODText/Style/Table.php
+++ b/src/PhpWord/Writer/ODText/Style/Table.php
@@ -25,7 +25,9 @@ namespace PhpOffice\PhpWord\Writer\ODText\Style;
 class Table extends AbstractStyle
 {
     /**
-     * Write style
+     * Write style.
+     *
+     * @return void
      */
     public function write()
     {
diff --git a/src/PhpWord/Writer/PDF/AbstractRenderer.php b/src/PhpWord/Writer/PDF/AbstractRenderer.php
index d4288c8a..572e4b1d 100644
--- a/src/PhpWord/Writer/PDF/AbstractRenderer.php
+++ b/src/PhpWord/Writer/PDF/AbstractRenderer.php
@@ -190,6 +190,7 @@ abstract class AbstractRenderer extends HTML
      * Save PhpWord to PDF file, post-save
      *
      * @param resource $fileHandle
+     * @return void
      * @throws Exception
      */
     protected function restoreStateAfterSave($fileHandle)
diff --git a/src/PhpWord/Writer/PDF/DomPDF.php b/src/PhpWord/Writer/PDF/DomPDF.php
index a40e2cea..47054c4a 100644
--- a/src/PhpWord/Writer/PDF/DomPDF.php
+++ b/src/PhpWord/Writer/PDF/DomPDF.php
@@ -35,9 +35,10 @@ class DomPDF extends AbstractRenderer implements WriterInterface
     protected $includeFile = 'dompdf_config.inc.php';
 
     /**
-     * Save PhpWord to file
+     * Save PhpWord to file.
      *
      * @param string $filename Name of the file to save as
+     * @return void
      */
     public function save($filename = null)
     {
diff --git a/src/PhpWord/Writer/PDF/MPDF.php b/src/PhpWord/Writer/PDF/MPDF.php
index 3fab05c3..46d456d4 100644
--- a/src/PhpWord/Writer/PDF/MPDF.php
+++ b/src/PhpWord/Writer/PDF/MPDF.php
@@ -35,9 +35,10 @@ class MPDF extends AbstractRenderer implements WriterInterface
     protected $includeFile = 'mpdf.php';
 
     /**
-     * Save PhpWord to file
+     * Save PhpWord to file.
      *
      * @param string $filename Name of the file to save as
+     * @return void
      */
     public function save($filename = null)
     {
diff --git a/src/PhpWord/Writer/PDF/TCPDF.php b/src/PhpWord/Writer/PDF/TCPDF.php
index 3d3104de..36849e24 100644
--- a/src/PhpWord/Writer/PDF/TCPDF.php
+++ b/src/PhpWord/Writer/PDF/TCPDF.php
@@ -35,9 +35,10 @@ class TCPDF extends AbstractRenderer implements WriterInterface
     protected $includeFile = 'tcpdf.php';
 
     /**
-     * Save PhpWord to file
+     * Save PhpWord to file.
      *
      * @param string $filename Name of the file to save as
+     * @return vois
      */
     public function save($filename = null)
     {
diff --git a/src/PhpWord/Writer/RTF.php b/src/PhpWord/Writer/RTF.php
index d7fed942..a5a58475 100644
--- a/src/PhpWord/Writer/RTF.php
+++ b/src/PhpWord/Writer/RTF.php
@@ -55,9 +55,10 @@ class RTF extends AbstractWriter implements WriterInterface
     }
 
     /**
-     * Save content to file
+     * Save content to file.
      *
      * @param string $filename
+     * @return void
      * @throws \PhpOffice\PhpWord\Exception\Exception
      */
     public function save($filename = null)
@@ -86,7 +87,9 @@ class RTF extends AbstractWriter implements WriterInterface
     }
 
     /**
-     * Get font table
+     * Get font table.
+     *
+     * @return array
      */
     public function getFontTable()
     {
@@ -94,7 +97,9 @@ class RTF extends AbstractWriter implements WriterInterface
     }
 
     /**
-     * Get color table
+     * Get color table.
+     *
+     * @return array
      */
     public function getColorTable()
     {
@@ -102,7 +107,9 @@ class RTF extends AbstractWriter implements WriterInterface
     }
 
     /**
-     * Get last paragraph style
+     * Get last paragraph style.
+     *
+     * @return mixed
      */
     public function getLastParagraphStyle()
     {
@@ -110,9 +117,10 @@ class RTF extends AbstractWriter implements WriterInterface
     }
 
     /**
-     * Set last paragraph style
+     * Set last paragraph style.
      *
      * @param mixed $value
+     * @return void
      */
     public function setLastParagraphStyle($value = '')
     {
diff --git a/src/PhpWord/Writer/RTF/Element/AbstractElement.php b/src/PhpWord/Writer/RTF/Element/AbstractElement.php
index 79e13947..73da5cbd 100644
--- a/src/PhpWord/Writer/RTF/Element/AbstractElement.php
+++ b/src/PhpWord/Writer/RTF/Element/AbstractElement.php
@@ -47,7 +47,9 @@ abstract class AbstractElement extends HTMLAbstractElement
     private $paragraphStyle;
 
     /**
-     * Get font and paragraph styles
+     * Get font and paragraph styles.
+     *
+     * @return void
      */
     protected function getStyles()
     {
diff --git a/src/PhpWord/Writer/RTF/Part/Header.php b/src/PhpWord/Writer/RTF/Part/Header.php
index 68cf1803..574bff76 100644
--- a/src/PhpWord/Writer/RTF/Part/Header.php
+++ b/src/PhpWord/Writer/RTF/Part/Header.php
@@ -19,8 +19,8 @@ namespace PhpOffice\PhpWord\Writer\RTF\Part;
 
 use PhpOffice\PhpWord\Settings;
 use PhpOffice\PhpWord\Shared\Converter;
-use PhpOffice\PhpWord\Style;
 use PhpOffice\PhpWord\Style\Font;
+use PhpOffice\PhpWord\Style;
 
 /**
  * RTF header part writer
@@ -52,7 +52,9 @@ class Header extends AbstractPart
     private $colorTable = array();
 
     /**
-     * Get font table
+     * Get font table.
+     *
+     * @return array
      */
     public function getFontTable()
     {
@@ -60,7 +62,9 @@ class Header extends AbstractPart
     }
 
     /**
-     * Get color table
+     * Get color table.
+     *
+     * @return array
      */
     public function getColorTable()
     {
@@ -176,7 +180,9 @@ class Header extends AbstractPart
     }
 
     /**
-     * Register all fonts and colors in both named and inline styles to appropriate header table
+     * Register all fonts and colors in both named and inline styles to appropriate header table.
+     *
+     * @return void
      */
     private function registerFont()
     {
@@ -204,9 +210,10 @@ class Header extends AbstractPart
     }
 
     /**
-     * Register border colors
+     * Register border colors.
      *
      * @param \PhpOffice\PhpWord\Style\Border $style
+     * @return void
      */
     private function registerBorderColor($style)
     {
@@ -219,9 +226,10 @@ class Header extends AbstractPart
     }
 
     /**
-     * Register fonts and colors
+     * Register fonts and colors.
      *
      * @param \PhpOffice\PhpWord\Style\AbstractStyle $style
+     * @return void
      */
     private function registerFontItems($style)
     {
@@ -236,11 +244,12 @@ class Header extends AbstractPart
     }
 
     /**
-     * Register individual font and color
+     * Register individual font and color.
      *
      * @param array $table
      * @param string $value
      * @param string $default
+     * @return void
      */
     private function registerTableItem(&$table, $value, $default = null)
     {
diff --git a/src/PhpWord/Writer/RTF/Style/Border.php b/src/PhpWord/Writer/RTF/Style/Border.php
index 8bb9703f..88c517ad 100644
--- a/src/PhpWord/Writer/RTF/Style/Border.php
+++ b/src/PhpWord/Writer/RTF/Style/Border.php
@@ -101,9 +101,10 @@ class Border extends AbstractStyle
     }
 
     /**
-     * Set sizes
+     * Set sizes.
      *
      * @param integer[] $value
+     * @return void
      */
     public function setSizes($value)
     {
@@ -111,9 +112,10 @@ class Border extends AbstractStyle
     }
 
     /**
-     * Set colors
+     * Set colors.
      *
      * @param string[] $value
+     * @return void
      */
     public function setColors($value)
     {
diff --git a/src/PhpWord/Writer/RTF/Style/Font.php b/src/PhpWord/Writer/RTF/Style/Font.php
index 9634b566..20c47aee 100644
--- a/src/PhpWord/Writer/RTF/Style/Font.php
+++ b/src/PhpWord/Writer/RTF/Style/Font.php
@@ -66,9 +66,11 @@ class Font extends AbstractStyle
     }
 
     /**
-     * Set font name index
+     * Set font name index.
+     *
      *
      * @param int $value
+     * @return void
      */
     public function setNameIndex($value = 0)
     {
@@ -76,9 +78,10 @@ class Font extends AbstractStyle
     }
 
     /**
-     * Set font color index
+     * Set font color index.
      *
      * @param int $value
+     * @return void
      */
     public function setColorIndex($value = 0)
     {
diff --git a/src/PhpWord/Writer/RTF/Style/Paragraph.php b/src/PhpWord/Writer/RTF/Style/Paragraph.php
index b166cc27..1a7de0a3 100644
--- a/src/PhpWord/Writer/RTF/Style/Paragraph.php
+++ b/src/PhpWord/Writer/RTF/Style/Paragraph.php
@@ -73,9 +73,10 @@ class Paragraph extends AbstractStyle
     }
 
     /**
-     * Set nested level
+     * Set nested level.
      *
      * @param int $value
+     * @return void
      */
     public function setNestedLevel($value)
     {
diff --git a/src/PhpWord/Writer/Word2007.php b/src/PhpWord/Writer/Word2007.php
index d15f40ac..21471505 100644
--- a/src/PhpWord/Writer/Word2007.php
+++ b/src/PhpWord/Writer/Word2007.php
@@ -88,9 +88,10 @@ class Word2007 extends AbstractWriter implements WriterInterface
     }
 
     /**
-     * Save document by name
+     * Save document by name.
      *
      * @param string $filename
+     * @return void
      */
     public function save($filename = null)
     {
@@ -163,10 +164,11 @@ class Word2007 extends AbstractWriter implements WriterInterface
     }
 
     /**
-     * Add header/footer media files, e.g. footer1.xml.rels
+     * Add header/footer media files, e.g. footer1.xml.rels.
      *
      * @param \PhpOffice\PhpWord\Shared\ZipArchive $zip
      * @param string $docPart
+     * @return void
      */
     private function addHeaderFooterMedia(ZipArchive $zip, $docPart)
     {
@@ -188,12 +190,13 @@ class Word2007 extends AbstractWriter implements WriterInterface
     }
 
     /**
-     * Add header/footer content
+     * Add header/footer content.
      *
      * @param \PhpOffice\PhpWord\Element\Section $section
      * @param \PhpOffice\PhpWord\Shared\ZipArchive $zip
      * @param string $elmType header|footer
      * @param integer $rId
+     * @return void
      */
     private function addHeaderFooterContent(Section &$section, ZipArchive $zip, $elmType, &$rId)
     {
@@ -220,6 +223,7 @@ class Word2007 extends AbstractWriter implements WriterInterface
      * @param \PhpOffice\PhpWord\Shared\ZipArchive $zip
      * @param integer $rId
      * @param string $noteType
+     * @return void
      */
     private function addNotes(ZipArchive $zip, &$rId, $noteType = 'footnote')
     {
@@ -252,10 +256,11 @@ class Word2007 extends AbstractWriter implements WriterInterface
     }
 
     /**
-     * Add chart
+     * Add chart.
      *
      * @param \PhpOffice\PhpWord\Shared\ZipArchive $zip
      * @param integer $rId
+     * @return void
      */
     private function addChart(ZipArchive $zip, &$rId)
     {
@@ -286,9 +291,10 @@ class Word2007 extends AbstractWriter implements WriterInterface
     }
 
     /**
-     * Register content types for each media
+     * Register content types for each media.
      *
      * @param array $media
+     * @return void
      */
     private function registerContentTypes($media)
     {
diff --git a/src/PhpWord/Writer/Word2007/Element/AbstractElement.php b/src/PhpWord/Writer/Word2007/Element/AbstractElement.php
index b98b983d..2c200f81 100644
--- a/src/PhpWord/Writer/Word2007/Element/AbstractElement.php
+++ b/src/PhpWord/Writer/Word2007/Element/AbstractElement.php
@@ -89,9 +89,10 @@ abstract class AbstractElement
     }
 
     /**
-     * Start w:p DOM element
+     * Start w:p DOM element.
      *
      * @uses \PhpOffice\PhpWord\Writer\Word2007\Element\PageBreak::write()
+     * @return void
      */
     protected function startElementP()
     {
@@ -105,7 +106,9 @@ abstract class AbstractElement
     }
 
     /**
-     * End w:p DOM element
+     * End w:p DOM element.
+     *
+     * @return void
      */
     protected function endElementP()
     {
@@ -115,7 +118,9 @@ abstract class AbstractElement
     }
 
     /**
-     * Write ending
+     * Write ending.
+     *
+     * @return void
      */
     protected function writeParagraphStyle()
     {
@@ -123,7 +128,9 @@ abstract class AbstractElement
     }
 
     /**
-     * Write ending
+     * Write ending.
+     *
+     * @return void
      */
     protected function writeFontStyle()
     {
@@ -132,9 +139,10 @@ abstract class AbstractElement
 
 
     /**
-     * Write text style
+     * Write text style.
      *
      * @param string $styleType Font|Paragraph
+     * @return void
      */
     private function writeTextStyle($styleType)
     {
diff --git a/src/PhpWord/Writer/Word2007/Element/Chart.php b/src/PhpWord/Writer/Word2007/Element/Chart.php
index e185ee58..ccd8cd77 100644
--- a/src/PhpWord/Writer/Word2007/Element/Chart.php
+++ b/src/PhpWord/Writer/Word2007/Element/Chart.php
@@ -27,7 +27,9 @@ use PhpOffice\PhpWord\Element\Chart as ChartElement;
 class Chart extends AbstractElement
 {
     /**
-     * Write element
+     * Write element.
+     *
+     * @return void
      */
     public function write()
     {
diff --git a/src/PhpWord/Writer/Word2007/Element/CheckBox.php b/src/PhpWord/Writer/Word2007/Element/CheckBox.php
index d5f6a64e..9d060726 100644
--- a/src/PhpWord/Writer/Word2007/Element/CheckBox.php
+++ b/src/PhpWord/Writer/Word2007/Element/CheckBox.php
@@ -25,7 +25,9 @@ namespace PhpOffice\PhpWord\Writer\Word2007\Element;
 class CheckBox extends Text
 {
     /**
-     * Write element
+     * Write element.
+     *
+     * @return void
      */
     public function write()
     {
diff --git a/src/PhpWord/Writer/Word2007/Element/Container.php b/src/PhpWord/Writer/Word2007/Element/Container.php
index 9504b7a6..771fe5c3 100644
--- a/src/PhpWord/Writer/Word2007/Element/Container.php
+++ b/src/PhpWord/Writer/Word2007/Element/Container.php
@@ -17,8 +17,8 @@
 
 namespace PhpOffice\PhpWord\Writer\Word2007\Element;
 
-use PhpOffice\PhpWord\Element\AbstractElement as Element;
 use PhpOffice\PhpWord\Element\AbstractContainer as ContainerElement;
+use PhpOffice\PhpWord\Element\AbstractElement as Element;
 use PhpOffice\PhpWord\Element\TextBreak as TextBreakElement;
 use PhpOffice\PhpWord\Shared\XMLWriter;
 
@@ -37,7 +37,9 @@ class Container extends AbstractElement
     protected $namespace = 'PhpOffice\\PhpWord\\Writer\\Word2007\\Element';
 
     /**
-     * Write element
+     * Write element.
+     *
+     * @return void
      */
     public function write()
     {
diff --git a/src/PhpWord/Writer/Word2007/Element/Field.php b/src/PhpWord/Writer/Word2007/Element/Field.php
index 7133e83f..b9c3c34b 100644
--- a/src/PhpWord/Writer/Word2007/Element/Field.php
+++ b/src/PhpWord/Writer/Word2007/Element/Field.php
@@ -25,7 +25,9 @@ namespace PhpOffice\PhpWord\Writer\Word2007\Element;
 class Field extends Text
 {
     /**
-     * Write field element
+     * Write field element.
+     *
+     * @return void
      */
     public function write()
     {
diff --git a/src/PhpWord/Writer/Word2007/Element/Footnote.php b/src/PhpWord/Writer/Word2007/Element/Footnote.php
index be5a21f1..5640a90d 100644
--- a/src/PhpWord/Writer/Word2007/Element/Footnote.php
+++ b/src/PhpWord/Writer/Word2007/Element/Footnote.php
@@ -32,7 +32,9 @@ class Footnote extends Text
     protected $referenceType = 'footnoteReference';
 
     /**
-     * Write element
+     * Write element.
+     *
+     * @return void
      */
     public function write()
     {
diff --git a/src/PhpWord/Writer/Word2007/Element/FormField.php b/src/PhpWord/Writer/Word2007/Element/FormField.php
index 21003314..432dc9c2 100644
--- a/src/PhpWord/Writer/Word2007/Element/FormField.php
+++ b/src/PhpWord/Writer/Word2007/Element/FormField.php
@@ -35,7 +35,9 @@ class FormField extends Text
     const FILLER_LENGTH = 30;
 
     /**
-     * Write element
+     * Write element.
+     *
+     * @return void
      */
     public function write()
     {
@@ -102,9 +104,12 @@ class FormField extends Text
     }
 
     /**
-     * Write textinput
+     * Write textinput.
      *
      * @link http://www.datypic.com/sc/ooxml/t-w_CT_FFTextInput.html
+     * @param \PhpOffice\PhpWord\Shared\XMLWriter $xmlWriter
+     * @param \PhpOffice\PhpWord\Element\FormField $element
+     * @return void
      */
     private function writeTextInput(XMLWriter $xmlWriter, FormFieldElement $element)
     {
@@ -116,9 +121,12 @@ class FormField extends Text
     }
 
     /**
-     * Write checkbox
+     * Write checkbox.
      *
      * @link http://www.datypic.com/sc/ooxml/t-w_CT_FFCheckBox.html
+     * @param \PhpOffice\PhpWord\Shared\XMLWriter $xmlWriter
+     * @param \PhpOffice\PhpWord\Element\FormField $element
+     * @return void
      */
     private function writeCheckBox(XMLWriter $xmlWriter, FormFieldElement $element)
     {
@@ -137,9 +145,12 @@ class FormField extends Text
     }
 
     /**
-     * Write dropdown
+     * Write dropdown.
      *
      * @link http://www.datypic.com/sc/ooxml/t-w_CT_FFDDList.html
+     * @param \PhpOffice\PhpWord\Shared\XMLWriter $xmlWriter
+     * @param \PhpOffice\PhpWord\Element\FormField $element
+     * @return void
      */
     private function writeDropDown(XMLWriter $xmlWriter, FormFieldElement $element)
     {
diff --git a/src/PhpWord/Writer/Word2007/Element/Image.php b/src/PhpWord/Writer/Word2007/Element/Image.php
index 02780ed1..73988423 100644
--- a/src/PhpWord/Writer/Word2007/Element/Image.php
+++ b/src/PhpWord/Writer/Word2007/Element/Image.php
@@ -29,7 +29,9 @@ use PhpOffice\PhpWord\Writer\Word2007\Style\Image as ImageStyleWriter;
 class Image extends AbstractElement
 {
     /**
-     * Write element
+     * Write element.
+     *
+     * @return void
      */
     public function write()
     {
@@ -47,7 +49,9 @@ class Image extends AbstractElement
     }
 
     /**
-     * Write image element
+     * Write image element.
+     *
+     * @return void
      */
     private function writeImage(XMLWriter $xmlWriter, ImageElement $element)
     {
@@ -78,8 +82,11 @@ class Image extends AbstractElement
 
         $this->endElementP();
     }
+
     /**
-     * Write watermark element
+     * Write watermark element.
+     *
+     * @return void
      */
     private function writeWatermark(XMLWriter $xmlWriter, ImageElement $element)
     {
diff --git a/src/PhpWord/Writer/Word2007/Element/Line.php b/src/PhpWord/Writer/Word2007/Element/Line.php
index ade5b889..a6c7c240 100644
--- a/src/PhpWord/Writer/Word2007/Element/Line.php
+++ b/src/PhpWord/Writer/Word2007/Element/Line.php
@@ -27,7 +27,9 @@ use PhpOffice\PhpWord\Writer\Word2007\Style\Line as LineStyleWriter;
 class Line extends AbstractElement
 {
     /**
-     * Write element
+     * Write element.
+     *
+     * @return void
      */
     public function write()
     {
diff --git a/src/PhpWord/Writer/Word2007/Element/Link.php b/src/PhpWord/Writer/Word2007/Element/Link.php
index d7e68ac1..2a5a5ae1 100644
--- a/src/PhpWord/Writer/Word2007/Element/Link.php
+++ b/src/PhpWord/Writer/Word2007/Element/Link.php
@@ -25,7 +25,9 @@ namespace PhpOffice\PhpWord\Writer\Word2007\Element;
 class Link extends Text
 {
     /**
-     * Write link element
+     * Write link element.
+     *
+     * @return void
      */
     public function write()
     {
diff --git a/src/PhpWord/Writer/Word2007/Element/ListItem.php b/src/PhpWord/Writer/Word2007/Element/ListItem.php
index 7b86efae..0f559a4e 100644
--- a/src/PhpWord/Writer/Word2007/Element/ListItem.php
+++ b/src/PhpWord/Writer/Word2007/Element/ListItem.php
@@ -27,7 +27,9 @@ use PhpOffice\PhpWord\Writer\Word2007\Style\Paragraph as ParagraphStyleWriter;
 class ListItem extends AbstractElement
 {
     /**
-     * Write list item element
+     * Write list item element.
+     *
+     * @return void
      */
     public function write()
     {
diff --git a/src/PhpWord/Writer/Word2007/Element/ListItemRun.php b/src/PhpWord/Writer/Word2007/Element/ListItemRun.php
index 747c2625..289cb054 100644
--- a/src/PhpWord/Writer/Word2007/Element/ListItemRun.php
+++ b/src/PhpWord/Writer/Word2007/Element/ListItemRun.php
@@ -27,7 +27,9 @@ use PhpOffice\PhpWord\Writer\Word2007\Style\Paragraph as ParagraphStyleWriter;
 class ListItemRun extends AbstractElement
 {
     /**
-     * Write list item element
+     * Write list item element.
+     *
+     * @return void
      */
     public function write()
     {
diff --git a/src/PhpWord/Writer/Word2007/Element/Object.php b/src/PhpWord/Writer/Word2007/Element/Object.php
index f172f81b..a9cc449a 100644
--- a/src/PhpWord/Writer/Word2007/Element/Object.php
+++ b/src/PhpWord/Writer/Word2007/Element/Object.php
@@ -27,7 +27,9 @@ use PhpOffice\PhpWord\Writer\Word2007\Style\Image as ImageStyleWriter;
 class Object extends AbstractElement
 {
     /**
-     * Write object element
+     * Write object element.
+     *
+     * @return void
      */
     public function write()
     {
diff --git a/src/PhpWord/Writer/Word2007/Element/PageBreak.php b/src/PhpWord/Writer/Word2007/Element/PageBreak.php
index be317089..fb831ca7 100644
--- a/src/PhpWord/Writer/Word2007/Element/PageBreak.php
+++ b/src/PhpWord/Writer/Word2007/Element/PageBreak.php
@@ -25,9 +25,10 @@ namespace PhpOffice\PhpWord\Writer\Word2007\Element;
 class PageBreak extends AbstractElement
 {
     /**
-     * Write element
+     * Write element.
      *
      * @usedby \PhpOffice\PhpWord\Writer\Word2007\Element\AbstractElement::startElementP()
+     * @return void
      */
     public function write()
     {
diff --git a/src/PhpWord/Writer/Word2007/Element/PreserveText.php b/src/PhpWord/Writer/Word2007/Element/PreserveText.php
index ef5b93cd..894b3050 100644
--- a/src/PhpWord/Writer/Word2007/Element/PreserveText.php
+++ b/src/PhpWord/Writer/Word2007/Element/PreserveText.php
@@ -25,7 +25,9 @@ namespace PhpOffice\PhpWord\Writer\Word2007\Element;
 class PreserveText extends Text
 {
     /**
-     * Write preserve text element
+     * Write preserve text element.
+     *
+     * @return void
      */
     public function write()
     {
diff --git a/src/PhpWord/Writer/Word2007/Element/SDT.php b/src/PhpWord/Writer/Word2007/Element/SDT.php
index b41bb696..79d7004d 100644
--- a/src/PhpWord/Writer/Word2007/Element/SDT.php
+++ b/src/PhpWord/Writer/Word2007/Element/SDT.php
@@ -30,7 +30,9 @@ use PhpOffice\PhpWord\Shared\XMLWriter;
 class SDT extends Text
 {
     /**
-     * Write element
+     * Write element.
+     *
+     * @return void
      */
     public function write()
     {
@@ -68,9 +70,12 @@ class SDT extends Text
     }
 
     /**
-     * Write combo box
+     * Write combo box.
      *
      * @link http://www.datypic.com/sc/ooxml/t-w_CT_SdtComboBox.html
+     * @param \PhpOffice\PhpWord\Shared\XMLWriter $xmlWriter
+     * @param \PhpOffice\PhpWord\Element\SDT $element
+     * @return void
      */
     private function writeComboBox(XMLWriter $xmlWriter, SDTElement $element)
     {
@@ -85,9 +90,12 @@ class SDT extends Text
     }
 
     /**
-     * Write drop down list
+     * Write drop down list.
      *
      * @link http://www.datypic.com/sc/ooxml/t-w_CT_SdtDropDownList.html
+     * @param \PhpOffice\PhpWord\Shared\XMLWriter $xmlWriter
+     * @param \PhpOffice\PhpWord\Element\SDT $element
+     * @return void
      */
     private function writeDropDownList(XMLWriter $xmlWriter, SDTElement $element)
     {
@@ -95,9 +103,12 @@ class SDT extends Text
     }
 
     /**
-     * Write date
+     * Write date.
      *
      * @link http://www.datypic.com/sc/ooxml/t-w_CT_SdtDate.html
+     * @param \PhpOffice\PhpWord\Shared\XMLWriter $xmlWriter
+     * @param \PhpOffice\PhpWord\Element\SDT $element
+     * @return void
      */
     private function writeDate(XMLWriter $xmlWriter, SDTElement $element)
     {
diff --git a/src/PhpWord/Writer/Word2007/Element/Shape.php b/src/PhpWord/Writer/Word2007/Element/Shape.php
index 649e7384..bd9320a2 100644
--- a/src/PhpWord/Writer/Word2007/Element/Shape.php
+++ b/src/PhpWord/Writer/Word2007/Element/Shape.php
@@ -17,8 +17,8 @@
 
 namespace PhpOffice\PhpWord\Writer\Word2007\Element;
 
-use PhpOffice\PhpWord\Shared\XMLWriter;
 use PhpOffice\PhpWord\Element\Shape as ShapeElement;
+use PhpOffice\PhpWord\Shared\XMLWriter;
 use PhpOffice\PhpWord\Style\Shape as ShapeStyle;
 use PhpOffice\PhpWord\Writer\Word2007\Style\Shape as ShapeStyleWriter;
 
@@ -31,7 +31,9 @@ use PhpOffice\PhpWord\Writer\Word2007\Style\Shape as ShapeStyleWriter;
 class Shape extends AbstractElement
 {
     /**
-     * Write element
+     * Write element.
+     *
+     * @return void
      */
     public function write()
     {
@@ -74,10 +76,11 @@ class Shape extends AbstractElement
     }
 
     /**
-     * Write arc
+     * Write arc.
      *
      * @param \PhpOffice\PhpWord\Shared\XMLWriter $xmlWriter
      * @param \PhpOffice\PhpWord\Style\Shape $style
+     * @return void
      */
     private function writeArc(XMLWriter $xmlWriter, ShapeStyle $style)
     {
@@ -88,10 +91,11 @@ class Shape extends AbstractElement
     }
 
     /**
-     * Write curve
+     * Write curve.
      *
      * @param \PhpOffice\PhpWord\Shared\XMLWriter $xmlWriter
      * @param \PhpOffice\PhpWord\Style\Shape $style
+     * @return void
      */
     private function writeCurve(XMLWriter $xmlWriter, ShapeStyle $style)
     {
@@ -103,10 +107,11 @@ class Shape extends AbstractElement
     }
 
     /**
-     * Write line
+     * Write line.
      *
      * @param \PhpOffice\PhpWord\Shared\XMLWriter $xmlWriter
      * @param \PhpOffice\PhpWord\Style\Shape $style
+     * @return void
      */
     private function writeLine(XMLWriter $xmlWriter, ShapeStyle $style)
     {
@@ -117,10 +122,11 @@ class Shape extends AbstractElement
     }
 
     /**
-     * Write polyline
+     * Write polyline.
      *
      * @param \PhpOffice\PhpWord\Shared\XMLWriter $xmlWriter
      * @param \PhpOffice\PhpWord\Style\Shape $style
+     * @return void
      */
     private function writePolyline(XMLWriter $xmlWriter, ShapeStyle $style)
     {
@@ -128,10 +134,11 @@ class Shape extends AbstractElement
     }
 
     /**
-     * Write rectangle
+     * Write rectangle.
      *
      * @param \PhpOffice\PhpWord\Shared\XMLWriter $xmlWriter
      * @param \PhpOffice\PhpWord\Style\Shape $style
+     * @return void
      */
     private function writeRoundRect(XMLWriter $xmlWriter, ShapeStyle $style)
     {
diff --git a/src/PhpWord/Writer/Word2007/Element/TOC.php b/src/PhpWord/Writer/Word2007/Element/TOC.php
index 1db2efdd..db2a65d0 100644
--- a/src/PhpWord/Writer/Word2007/Element/TOC.php
+++ b/src/PhpWord/Writer/Word2007/Element/TOC.php
@@ -32,7 +32,9 @@ use PhpOffice\PhpWord\Writer\Word2007\Style\Tab as TabStyleWriter;
 class TOC extends AbstractElement
 {
     /**
-     * Write element
+     * Write element.
+     *
+     * @return void
      */
     public function write()
     {
@@ -68,6 +70,7 @@ class TOC extends AbstractElement
      * @param \PhpOffice\PhpWord\Element\TOC $element
      * @param \PhpOffice\PhpWord\Element\Title $title
      * @param bool $writeFieldMark
+     * @return void
      */
     private function writeTitle(XMLWriter $xmlWriter, TOCElement $element, $title, $writeFieldMark)
     {
@@ -135,6 +138,7 @@ class TOC extends AbstractElement
      * @param \PhpOffice\PhpWord\Shared\XMLWriter $xmlWriter
      * @param \PhpOffice\PhpWord\Element\TOC $element
      * @param int $indent
+     * @return void
      */
     private function writeStyle(XMLWriter $xmlWriter, TOCElement $element, $indent)
     {
@@ -176,7 +180,11 @@ class TOC extends AbstractElement
     }
 
     /**
-     * Write TOC Field
+     * Write TOC Field.
+     *
+     * @param \PhpOffice\PhpWord\Shared\XMLWriter $xmlWriter
+     * @param \PhpOffice\PhpWord\Element\TOC $element
+     * @return void
      */
     private function writeFieldMark(XMLWriter $xmlWriter, TOCElement $element)
     {
diff --git a/src/PhpWord/Writer/Word2007/Element/Table.php b/src/PhpWord/Writer/Word2007/Element/Table.php
index 8cadfc38..f090d05c 100644
--- a/src/PhpWord/Writer/Word2007/Element/Table.php
+++ b/src/PhpWord/Writer/Word2007/Element/Table.php
@@ -35,7 +35,9 @@ use PhpOffice\PhpWord\Writer\Word2007\Style\Table as TableStyleWriter;
 class Table extends AbstractElement
 {
     /**
-     * Write element
+     * Write element.
+     *
+     * @return void
      */
     public function write()
     {
@@ -69,7 +71,11 @@ class Table extends AbstractElement
     }
 
     /**
-     * Write column
+     * Write column.
+     *
+     * @param \PhpOffice\PhpWord\Shared\XMLWriter $xmlWriter
+     * @param \PhpOffice\PhpWord\Element\Table $element
+     * @return void
      */
     private function writeColumns(XMLWriter $xmlWriter, TableElement $element)
     {
@@ -102,7 +108,11 @@ class Table extends AbstractElement
     }
 
     /**
-     * Write row
+     * Write row.
+     *
+     * @param \PhpOffice\PhpWord\Shared\XMLWriter $xmlWriter
+     * @param \PhpOffice\PhpWord\Element\Row $row
+     * @return void
      */
     private function writeRow(XMLWriter $xmlWriter, RowElement $row)
     {
@@ -125,7 +135,11 @@ class Table extends AbstractElement
     }
 
     /**
-     * Write cell
+     * Write cell.
+     *
+     * @param \PhpOffice\PhpWord\Shared\XMLWriter $xmlWriter
+     * @param \PhpOffice\PhpWord\Element\Cell $cell
+     * @return void
      */
     private function writeCell(XMLWriter $xmlWriter, CellElement $cell)
     {
diff --git a/src/PhpWord/Writer/Word2007/Element/Text.php b/src/PhpWord/Writer/Word2007/Element/Text.php
index 1fa4861f..cfb991c2 100644
--- a/src/PhpWord/Writer/Word2007/Element/Text.php
+++ b/src/PhpWord/Writer/Word2007/Element/Text.php
@@ -25,7 +25,9 @@ namespace PhpOffice\PhpWord\Writer\Word2007\Element;
 class Text extends AbstractElement
 {
     /**
-     * Write text element
+     * Write text element.
+     *
+     * @return void
      */
     public function write()
     {
diff --git a/src/PhpWord/Writer/Word2007/Element/TextBox.php b/src/PhpWord/Writer/Word2007/Element/TextBox.php
index 71935d6e..fe62c644 100644
--- a/src/PhpWord/Writer/Word2007/Element/TextBox.php
+++ b/src/PhpWord/Writer/Word2007/Element/TextBox.php
@@ -27,7 +27,9 @@ use PhpOffice\PhpWord\Writer\Word2007\Style\TextBox as TextBoxStyleWriter;
 class TextBox extends Image
 {
     /**
-     * Write element
+     * Write element.
+     *
+     * @return void
      */
     public function write()
     {
diff --git a/src/PhpWord/Writer/Word2007/Element/TextBreak.php b/src/PhpWord/Writer/Word2007/Element/TextBreak.php
index 83ec2221..fb52b86e 100644
--- a/src/PhpWord/Writer/Word2007/Element/TextBreak.php
+++ b/src/PhpWord/Writer/Word2007/Element/TextBreak.php
@@ -25,7 +25,9 @@ namespace PhpOffice\PhpWord\Writer\Word2007\Element;
 class TextBreak extends Text
 {
     /**
-     * Write text break element
+     * Write text break element.
+     *
+     * @return void
      */
     public function write()
     {
diff --git a/src/PhpWord/Writer/Word2007/Element/TextRun.php b/src/PhpWord/Writer/Word2007/Element/TextRun.php
index 9ff348cf..844e0b6b 100644
--- a/src/PhpWord/Writer/Word2007/Element/TextRun.php
+++ b/src/PhpWord/Writer/Word2007/Element/TextRun.php
@@ -25,7 +25,9 @@ namespace PhpOffice\PhpWord\Writer\Word2007\Element;
 class TextRun extends Text
 {
     /**
-     * Write textrun element
+     * Write textrun element.
+     *
+     * @return void
      */
     public function write()
     {
diff --git a/src/PhpWord/Writer/Word2007/Element/Title.php b/src/PhpWord/Writer/Word2007/Element/Title.php
index 144e67ab..f48e932a 100644
--- a/src/PhpWord/Writer/Word2007/Element/Title.php
+++ b/src/PhpWord/Writer/Word2007/Element/Title.php
@@ -25,7 +25,9 @@ namespace PhpOffice\PhpWord\Writer\Word2007\Element;
 class Title extends AbstractElement
 {
     /**
-     * Write title element
+     * Write title element.
+     *
+     * @return void
      */
     public function write()
     {
diff --git a/src/PhpWord/Writer/Word2007/Part/AbstractPart.php b/src/PhpWord/Writer/Word2007/Part/AbstractPart.php
index 610a7616..e26853d7 100644
--- a/src/PhpWord/Writer/Word2007/Part/AbstractPart.php
+++ b/src/PhpWord/Writer/Word2007/Part/AbstractPart.php
@@ -46,9 +46,10 @@ abstract class AbstractPart
     abstract public function write();
 
     /**
-     * Set parent writer
+     * Set parent writer.
      *
      * @param \PhpOffice\PhpWord\Writer\AbstractWriter $writer
+     * @return void
      */
     public function setParentWriter(AbstractWriter $writer = null)
     {
diff --git a/src/PhpWord/Writer/Word2007/Part/Chart.php b/src/PhpWord/Writer/Word2007/Part/Chart.php
index 0a0ebac6..8423762c 100644
--- a/src/PhpWord/Writer/Word2007/Part/Chart.php
+++ b/src/PhpWord/Writer/Word2007/Part/Chart.php
@@ -17,8 +17,8 @@
 
 namespace PhpOffice\PhpWord\Writer\Word2007\Part;
 
-use PhpOffice\PhpWord\Shared\XMLWriter;
 use PhpOffice\PhpWord\Element\Chart as ChartElement;
+use PhpOffice\PhpWord\Shared\XMLWriter;
 
 /**
  * Word2007 chart part writer: word/charts/chartx.xml
@@ -59,7 +59,10 @@ class Chart extends AbstractPart
     private $options = array();
 
     /**
-     * Set chart element
+     * Set chart element.
+     *
+     * @param \PhpOffice\PhpWord\Element\Chart $element
+     * @return void
      */
     public function setElement(ChartElement $element)
     {
@@ -93,6 +96,8 @@ class Chart extends AbstractPart
      * Write chart
      *
      * @link http://www.datypic.com/sc/ooxml/t-draw-chart_CT_Chart.html
+     * @param \PhpOffice\PhpWord\Shared\XMLWriter $xmlWriter
+     * @return void
      */
     private function writeChart(XMLWriter $xmlWriter)
     {
@@ -106,7 +111,7 @@ class Chart extends AbstractPart
     }
 
     /**
-     * Write plot area
+     * Write plot area.
      *
      * @link http://www.datypic.com/sc/ooxml/t-draw-chart_CT_PlotArea.html
      * @link http://www.datypic.com/sc/ooxml/t-draw-chart_CT_PieChart.html
@@ -116,6 +121,8 @@ class Chart extends AbstractPart
      * @link http://www.datypic.com/sc/ooxml/t-draw-chart_CT_AreaChart.html
      * @link http://www.datypic.com/sc/ooxml/t-draw-chart_CT_RadarChart.html
      * @link http://www.datypic.com/sc/ooxml/t-draw-chart_CT_ScatterChart.html
+     * @param \PhpOffice\PhpWord\Shared\XMLWriter $xmlWriter
+     * @return void
      */
     private function writePlotArea(XMLWriter $xmlWriter)
     {
@@ -171,10 +178,11 @@ class Chart extends AbstractPart
     }
 
     /**
-     * Write series
+     * Write series.
      *
      * @param \PhpOffice\PhpWord\Shared\XMLWriter $xmlWriter
      * @param bool $scatter
+     * @return void
      */
     private function writeSeries(XMLWriter $xmlWriter, $scatter = false)
     {
@@ -209,11 +217,12 @@ class Chart extends AbstractPart
     }
 
     /**
-     * Write series items
+     * Write series items.
      *
      * @param \PhpOffice\PhpWord\Shared\XMLWriter $xmlWriter
      * @param string $type
      * @param array $values
+     * @return void
      */
     private function writeSeriesItem(XMLWriter $xmlWriter, $type, $values)
     {
@@ -248,9 +257,10 @@ class Chart extends AbstractPart
     /**
      * Write axis
      *
+     * @link http://www.datypic.com/sc/ooxml/t-draw-chart_CT_CatAx.html
      * @param \PhpOffice\PhpWord\Shared\XMLWriter $xmlWriter
      * @param string $type
-     * @link http://www.datypic.com/sc/ooxml/t-draw-chart_CT_CatAx.html
+     * @return void
      */
     private function writeAxis(XMLWriter $xmlWriter, $type)
     {
@@ -290,9 +300,10 @@ class Chart extends AbstractPart
     /**
      * Write shape
      *
+     * @link http://www.datypic.com/sc/ooxml/t-a_CT_ShapeProperties.html
      * @param \PhpOffice\PhpWord\Shared\XMLWriter $xmlWriter
      * @param bool $line
-     * @link http://www.datypic.com/sc/ooxml/t-a_CT_ShapeProperties.html
+     * @return void
      */
     private function writeShape(XMLWriter $xmlWriter, $line = false)
     {
diff --git a/src/PhpWord/Writer/Word2007/Part/ContentTypes.php b/src/PhpWord/Writer/Word2007/Part/ContentTypes.php
index ac636d3a..6ae4e875 100644
--- a/src/PhpWord/Writer/Word2007/Part/ContentTypes.php
+++ b/src/PhpWord/Writer/Word2007/Part/ContentTypes.php
@@ -82,6 +82,7 @@ class ContentTypes extends AbstractPart
      * @param \PhpOffice\PhpWord\Shared\XMLWriter $xmlWriter XML Writer
      * @param array $parts
      * @param boolean $isDefault
+     * @return void
      */
     private function writeContentType(XMLWriter $xmlWriter, $parts, $isDefault)
     {
diff --git a/src/PhpWord/Writer/Word2007/Part/Document.php b/src/PhpWord/Writer/Word2007/Part/Document.php
index e6639511..ea607f09 100644
--- a/src/PhpWord/Writer/Word2007/Part/Document.php
+++ b/src/PhpWord/Writer/Word2007/Part/Document.php
@@ -79,10 +79,11 @@ class Document extends AbstractPart
     }
 
     /**
-     * Write begin section
+     * Write begin section.
      *
      * @param \PhpOffice\PhpWord\Shared\XMLWriter $xmlWriter
      * @param \PhpOffice\PhpWord\Element\Section $section
+     * @return void
      */
     private function writeSection(XMLWriter $xmlWriter, Section $section)
     {
@@ -94,10 +95,11 @@ class Document extends AbstractPart
     }
 
     /**
-     * Write end section
+     * Write end section.
      *
      * @param \PhpOffice\PhpWord\Shared\XMLWriter $xmlWriter
      * @param \PhpOffice\PhpWord\Element\Section $section
+     * @return void
      */
     private function writeSectionSettings(XMLWriter $xmlWriter, Section $section)
     {
diff --git a/src/PhpWord/Writer/Word2007/Part/FontTable.php b/src/PhpWord/Writer/Word2007/Part/FontTable.php
index 49a47e7d..314cf586 100644
--- a/src/PhpWord/Writer/Word2007/Part/FontTable.php
+++ b/src/PhpWord/Writer/Word2007/Part/FontTable.php
@@ -26,7 +26,9 @@ namespace PhpOffice\PhpWord\Writer\Word2007\Part;
 class FontTable extends AbstractPart
 {
     /**
-     * Write fontTable.xml
+     * Write fontTable.xml.
+     *
+     * @return string
      */
     public function write()
     {
diff --git a/src/PhpWord/Writer/Word2007/Part/Footnotes.php b/src/PhpWord/Writer/Word2007/Part/Footnotes.php
index 903e5fe5..9ceefd82 100644
--- a/src/PhpWord/Writer/Word2007/Part/Footnotes.php
+++ b/src/PhpWord/Writer/Word2007/Part/Footnotes.php
@@ -133,10 +133,11 @@ class Footnotes extends AbstractPart
     }
 
     /**
-     * Write note item
+     * Write note item.
      *
      * @param \PhpOffice\PhpWord\Shared\XMLWriter $xmlWriter
      * @param \PhpOffice\PhpWord\Element\Footnote|\PhpOffice\PhpWord\Element\Endnote $element
+     * @return void
      */
     protected function writeNote(XMLWriter $xmlWriter, $element)
     {
diff --git a/src/PhpWord/Writer/Word2007/Part/Numbering.php b/src/PhpWord/Writer/Word2007/Part/Numbering.php
index 8f735dd3..bbb8eeb4 100644
--- a/src/PhpWord/Writer/Word2007/Part/Numbering.php
+++ b/src/PhpWord/Writer/Word2007/Part/Numbering.php
@@ -18,9 +18,9 @@
 namespace PhpOffice\PhpWord\Writer\Word2007\Part;
 
 use PhpOffice\PhpWord\Shared\XMLWriter;
-use PhpOffice\PhpWord\Style;
 use PhpOffice\PhpWord\Style\Numbering as NumberingStyle;
 use PhpOffice\PhpWord\Style\NumberingLevel;
+use PhpOffice\PhpWord\Style;
 
 /**
  * Word2007 numbering part writer: word/numbering.xml
@@ -95,7 +95,11 @@ class Numbering extends AbstractPart
     }
 
     /**
-     * Write level
+     * Write level.
+     *
+     * @param \PhpOffice\PhpWord\Shared\XMLWriter $xmlWriter
+     * @param \PhpOffice\PhpWord\Style\NumberingLevel $level
+     * @return void
      */
     private function writeLevel(XMLWriter $xmlWriter, NumberingLevel $level)
     {
@@ -129,9 +133,13 @@ class Numbering extends AbstractPart
     }
 
     /**
-     * Write level paragraph
+     * Write level paragraph.
      *
      * @since 0.11.0
+     *
+     * @param \PhpOffice\PhpWord\Shared\XMLWriter $xmlWriter
+     * @param \PhpOffice\PhpWord\Style\NumberingLevel $level
+     * @return void
      * @todo Use paragraph style writer
      */
     private function writeParagraph(XMLWriter $xmlWriter, NumberingLevel $level)
@@ -158,9 +166,13 @@ class Numbering extends AbstractPart
     }
 
     /**
-     * Write level font
+     * Write level font.
      *
      * @since 0.11.0
+     *
+     * @param \PhpOffice\PhpWord\Shared\XMLWriter $xmlWriter
+     * @param \PhpOffice\PhpWord\Style\NumberingLevel $level
+     * @return void
      * @todo Use font style writer
      */
     private function writeFont(XMLWriter $xmlWriter, NumberingLevel $level)
diff --git a/src/PhpWord/Writer/Word2007/Part/Rels.php b/src/PhpWord/Writer/Word2007/Part/Rels.php
index 562deb35..80ab6307 100644
--- a/src/PhpWord/Writer/Word2007/Part/Rels.php
+++ b/src/PhpWord/Writer/Word2007/Part/Rels.php
@@ -47,12 +47,13 @@ class Rels extends AbstractPart
     }
 
     /**
-     * Write relationships
+     * Write relationships.
      *
      * @param \PhpOffice\PhpWord\Shared\XMLWriter $xmlWriter
      * @param array $xmlRels
      * @param array $mediaRels
      * @param int $relId
+     * @return void
      */
     protected function writeRels(XMLWriter $xmlWriter, $xmlRels = array(), $mediaRels = array(), $relId = 1)
     {
@@ -74,11 +75,12 @@ class Rels extends AbstractPart
     }
 
     /**
-     * Write media relationships
+     * Write media relationships.
      *
      * @param \PhpOffice\PhpWord\Shared\XMLWriter $xmlWriter
      * @param int $relId
      * @param array $mediaRel
+     * @return void
      */
     private function writeMediaRel(XMLWriter $xmlWriter, $relId, $mediaRel)
     {
@@ -96,7 +98,7 @@ class Rels extends AbstractPart
     }
 
     /**
-     * Write individual rels entry
+     * Write individual rels entry.
      *
      * Format:
      * <Relationship Id="rId..." Type="http://..." Target="....xml" TargetMode="..." />
@@ -106,6 +108,7 @@ class Rels extends AbstractPart
      * @param string $type Relationship type
      * @param string $target Relationship target
      * @param string $targetMode Relationship target mode
+     * @return void
      * @throws \PhpOffice\PhpWord\Exception\Exception
      */
     private function writeRel(XMLWriter $xmlWriter, $relId, $type, $target, $targetMode = '')
diff --git a/src/PhpWord/Writer/Word2007/Part/Settings.php b/src/PhpWord/Writer/Word2007/Part/Settings.php
index d381d26a..50399c4a 100644
--- a/src/PhpWord/Writer/Word2007/Part/Settings.php
+++ b/src/PhpWord/Writer/Word2007/Part/Settings.php
@@ -62,11 +62,12 @@ class Settings extends AbstractPart
     }
 
     /**
-     * Write indivual setting, recursive to any child settings
+     * Write indivual setting, recursive to any child settings.
      *
      * @param \PhpOffice\PhpWord\Shared\XMLWriter $xmlWriter
      * @param string $settingKey
      * @param array|string $settingValue
+     * @return void
      */
     protected function writeSetting($xmlWriter, $settingKey, $settingValue)
     {
@@ -90,7 +91,9 @@ class Settings extends AbstractPart
     }
 
     /**
-     * Get settings
+     * Get settings.
+     *
+     * @return void
      */
     private function getSettings()
     {
@@ -141,7 +144,9 @@ class Settings extends AbstractPart
     }
 
     /**
-     * Get protection settings
+     * Get protection settings.
+     *
+     * @return void
      */
     private function getProtection()
     {
@@ -157,7 +162,9 @@ class Settings extends AbstractPart
     }
 
     /**
-     * Get compatibility setting
+     * Get compatibility setting.
+     *
+     * @return void
      */
     private function getCompatibility()
     {
diff --git a/src/PhpWord/Writer/Word2007/Part/Styles.php b/src/PhpWord/Writer/Word2007/Part/Styles.php
index 0d688e36..6a8de48a 100644
--- a/src/PhpWord/Writer/Word2007/Part/Styles.php
+++ b/src/PhpWord/Writer/Word2007/Part/Styles.php
@@ -19,9 +19,9 @@ namespace PhpOffice\PhpWord\Writer\Word2007\Part;
 
 use PhpOffice\PhpWord\Settings as PhpWordSettings;
 use PhpOffice\PhpWord\Shared\XMLWriter;
-use PhpOffice\PhpWord\Style;
 use PhpOffice\PhpWord\Style\Font as FontStyle;
 use PhpOffice\PhpWord\Style\Paragraph as ParagraphStyle;
+use PhpOffice\PhpWord\Style;
 use PhpOffice\PhpWord\Style\Table as TableStyle;
 use PhpOffice\PhpWord\Writer\Word2007\Style\Font as FontStyleWriter;
 use PhpOffice\PhpWord\Writer\Word2007\Style\Paragraph as ParagraphStyleWriter;
@@ -75,10 +75,11 @@ class Styles extends AbstractPart
     }
 
     /**
-     * Write default font and other default styles
+     * Write default font and other default styles.
      *
      * @param \PhpOffice\PhpWord\Shared\XMLWriter $xmlWriter
      * @param \PhpOffice\PhpWord\Style\AbstractStyle[] $styles
+     * @return void
      */
     private function writeDefaultStyles(XMLWriter $xmlWriter, $styles)
     {
@@ -139,11 +140,12 @@ class Styles extends AbstractPart
     }
 
     /**
-     * Write font style
+     * Write font style.
      *
      * @param \PhpOffice\PhpWord\Shared\XMLWriter $xmlWriter
      * @param string $styleName
      * @param \PhpOffice\PhpWord\Style\Font $style
+     * @return void
      */
     private function writeFontStyle(XMLWriter $xmlWriter, $styleName, FontStyle $style)
     {
@@ -192,11 +194,12 @@ class Styles extends AbstractPart
     }
 
     /**
-     * Write paragraph style
+     * Write paragraph style.
      *
      * @param \PhpOffice\PhpWord\Shared\XMLWriter $xmlWriter
      * @param string $styleName
      * @param \PhpOffice\PhpWord\Style\Paragraph $style
+     * @return void
      */
     private function writeParagraphStyle(XMLWriter $xmlWriter, $styleName, ParagraphStyle $style)
     {
@@ -224,11 +227,12 @@ class Styles extends AbstractPart
     }
 
     /**
-     * Write table style
+     * Write table style.
      *
      * @param \PhpOffice\PhpWord\Shared\XMLWriter $xmlWriter
      * @param string $styleName
      * @param \PhpOffice\PhpWord\Style\Table $style
+     * @return void
      */
     private function writeTableStyle(XMLWriter $xmlWriter, $styleName, TableStyle $style)
     {
diff --git a/src/PhpWord/Writer/Word2007/Style/AbstractStyle.php b/src/PhpWord/Writer/Word2007/Style/AbstractStyle.php
index d91e37b8..16335680 100644
--- a/src/PhpWord/Writer/Word2007/Style/AbstractStyle.php
+++ b/src/PhpWord/Writer/Word2007/Style/AbstractStyle.php
@@ -47,7 +47,7 @@ abstract class AbstractStyle
     abstract public function write();
 
     /**
-     * Create new instance
+     * Create new instance.
      *
      * @param \PhpOffice\PhpWord\Shared\XMLWriter $xmlWriter
      * @param string|\PhpOffice\PhpWord\Style\AbstractStyle $style
@@ -104,11 +104,12 @@ abstract class AbstractStyle
     }
 
     /**
-     * Write child style
+     * Write child style.
      *
      * @param \PhpOffice\PhpWord\Shared\XMLWriter $xmlWriter
      * @param string $name
      * @param mixed $value
+     * @return void
      */
     protected function writeChildStyle(XMLWriter $xmlWriter, $name, $value)
     {
diff --git a/src/PhpWord/Writer/Word2007/Style/Alignment.php b/src/PhpWord/Writer/Word2007/Style/Alignment.php
index cefadb57..fabaf8ea 100644
--- a/src/PhpWord/Writer/Word2007/Style/Alignment.php
+++ b/src/PhpWord/Writer/Word2007/Style/Alignment.php
@@ -25,7 +25,9 @@ namespace PhpOffice\PhpWord\Writer\Word2007\Style;
 class Alignment extends AbstractStyle
 {
     /**
-     * Write style
+     * Write style.
+     *
+     * @return void
      */
     public function write()
     {
diff --git a/src/PhpWord/Writer/Word2007/Style/Cell.php b/src/PhpWord/Writer/Word2007/Style/Cell.php
index a4b1ae90..0f90b3aa 100644
--- a/src/PhpWord/Writer/Word2007/Style/Cell.php
+++ b/src/PhpWord/Writer/Word2007/Style/Cell.php
@@ -32,7 +32,9 @@ class Cell extends AbstractStyle
     private $width;
 
     /**
-     * Write style
+     * Write style.
+     *
+     * @return void
      */
     public function write()
     {
@@ -88,9 +90,10 @@ class Cell extends AbstractStyle
     }
 
     /**
-     * Set width
+     * Set width.
      *
      * @param int $value
+     * @return void
      */
     public function setWidth($value = null)
     {
diff --git a/src/PhpWord/Writer/Word2007/Style/Extrusion.php b/src/PhpWord/Writer/Word2007/Style/Extrusion.php
index aa8ba1ea..ba1ee590 100644
--- a/src/PhpWord/Writer/Word2007/Style/Extrusion.php
+++ b/src/PhpWord/Writer/Word2007/Style/Extrusion.php
@@ -25,7 +25,9 @@ namespace PhpOffice\PhpWord\Writer\Word2007\Style;
 class Extrusion extends AbstractStyle
 {
     /**
-     * Write style
+     * Write style.
+     *
+     * @return void
      */
     public function write()
     {
diff --git a/src/PhpWord/Writer/Word2007/Style/Fill.php b/src/PhpWord/Writer/Word2007/Style/Fill.php
index 0695f8ef..645f1ab0 100644
--- a/src/PhpWord/Writer/Word2007/Style/Fill.php
+++ b/src/PhpWord/Writer/Word2007/Style/Fill.php
@@ -25,7 +25,9 @@ namespace PhpOffice\PhpWord\Writer\Word2007\Style;
 class Fill extends AbstractStyle
 {
     /**
-     * Write style
+     * Write style.
+     *
+     * @return void
      */
     public function write()
     {
diff --git a/src/PhpWord/Writer/Word2007/Style/Font.php b/src/PhpWord/Writer/Word2007/Style/Font.php
index 6eb38dc2..67a04829 100644
--- a/src/PhpWord/Writer/Word2007/Style/Font.php
+++ b/src/PhpWord/Writer/Word2007/Style/Font.php
@@ -32,7 +32,9 @@ class Font extends AbstractStyle
     private $isInline = false;
 
     /**
-     * Write style
+     * Write style.
+     *
+     * @return void
      */
     public function write()
     {
@@ -51,7 +53,9 @@ class Font extends AbstractStyle
     }
 
     /**
-     * Write full style
+     * Write full style.
+     *
+     * @return void
      */
     private function writeStyle()
     {
@@ -130,9 +134,10 @@ class Font extends AbstractStyle
     }
 
     /**
-     * Set is inline
+     * Set is inline.
      *
      * @param bool $value
+     * @return void
      */
     public function setIsInline($value)
     {
diff --git a/src/PhpWord/Writer/Word2007/Style/Frame.php b/src/PhpWord/Writer/Word2007/Style/Frame.php
index 6926081f..2dd61765 100644
--- a/src/PhpWord/Writer/Word2007/Style/Frame.php
+++ b/src/PhpWord/Writer/Word2007/Style/Frame.php
@@ -29,7 +29,9 @@ use PhpOffice\PhpWord\Style\Frame as FrameStyle;
 class Frame extends AbstractStyle
 {
     /**
-     * Write style
+     * Write style.
+     *
+     * @return void
      */
     public function write()
     {
@@ -74,7 +76,9 @@ class Frame extends AbstractStyle
     }
 
     /**
-     * Write alignment
+     * Write alignment.
+     *
+     * @return void
      */
     public function writeAlignment()
     {
@@ -91,11 +95,12 @@ class Frame extends AbstractStyle
     }
 
     /**
-     * Write alignment
+     * Write alignment.
      *
      * @param \PhpOffice\PhpWord\Shared\XMLWriter $xmlWriter
      * @param \PhpOffice\PhpWord\Style\Frame $style
      * @param string $wrap
+     * @return void
      */
     private function writeWrap(XMLWriter $xmlWriter, FrameStyle $style, $wrap)
     {
diff --git a/src/PhpWord/Writer/Word2007/Style/Indentation.php b/src/PhpWord/Writer/Word2007/Style/Indentation.php
index f9bb696f..a1b4d8d1 100644
--- a/src/PhpWord/Writer/Word2007/Style/Indentation.php
+++ b/src/PhpWord/Writer/Word2007/Style/Indentation.php
@@ -25,7 +25,9 @@ namespace PhpOffice\PhpWord\Writer\Word2007\Style;
 class Indentation extends AbstractStyle
 {
     /**
-     * Write style
+     * Write style.
+     *
+     * @return void
      */
     public function write()
     {
diff --git a/src/PhpWord/Writer/Word2007/Style/Line.php b/src/PhpWord/Writer/Word2007/Style/Line.php
index 8a56cb7b..fd1c21de 100644
--- a/src/PhpWord/Writer/Word2007/Style/Line.php
+++ b/src/PhpWord/Writer/Word2007/Style/Line.php
@@ -26,8 +26,9 @@ use PhpOffice\PhpWord\Style\Line as LineStyle;
 class Line extends Frame
 {
     /**
-     * Write Line stroke
+     * Write Line stroke.
      *
+     * @return void
      * @todo Merge with `Stroke` style
      */
     public function writeStroke()
diff --git a/src/PhpWord/Writer/Word2007/Style/LineNumbering.php b/src/PhpWord/Writer/Word2007/Style/LineNumbering.php
index b3c103b6..d06fa2d6 100644
--- a/src/PhpWord/Writer/Word2007/Style/LineNumbering.php
+++ b/src/PhpWord/Writer/Word2007/Style/LineNumbering.php
@@ -25,7 +25,9 @@ namespace PhpOffice\PhpWord\Writer\Word2007\Style;
 class LineNumbering extends AbstractStyle
 {
     /**
-     * Write style
+     * Write style.
+     *
+     * @return void
      *
      * The w:start seems to be zero based so we have to decrement by one
      */
diff --git a/src/PhpWord/Writer/Word2007/Style/MarginBorder.php b/src/PhpWord/Writer/Word2007/Style/MarginBorder.php
index 38dff148..fec987d3 100644
--- a/src/PhpWord/Writer/Word2007/Style/MarginBorder.php
+++ b/src/PhpWord/Writer/Word2007/Style/MarginBorder.php
@@ -48,7 +48,9 @@ class MarginBorder extends AbstractStyle
     private $attributes = array();
 
     /**
-     * Write style
+     * Write style.
+     *
+     * @return void
      */
     public function write()
     {
@@ -69,12 +71,13 @@ class MarginBorder extends AbstractStyle
     }
 
     /**
-     * Write side
+     * Write side.
      *
      * @param \PhpOffice\PhpWord\Shared\XMLWriter $xmlWriter
      * @param string $side
      * @param int $width
      * @param string $color
+     * @return void
      */
     private function writeSide(XMLWriter $xmlWriter, $side, $width, $color = null)
     {
@@ -101,9 +104,10 @@ class MarginBorder extends AbstractStyle
     }
 
     /**
-     * Set sizes
+     * Set sizes.
      *
      * @param integer[] $value
+     * @return void
      */
     public function setSizes($value)
     {
@@ -111,9 +115,10 @@ class MarginBorder extends AbstractStyle
     }
 
     /**
-     * Set colors
+     * Set colors.
      *
      * @param string[] $value
+     * @return void
      */
     public function setColors($value)
     {
@@ -121,9 +126,10 @@ class MarginBorder extends AbstractStyle
     }
 
     /**
-     * Set attributes
+     * Set attributes.
      *
      * @param array $value
+     * @return void
      */
     public function setAttributes($value)
     {
diff --git a/src/PhpWord/Writer/Word2007/Style/Outline.php b/src/PhpWord/Writer/Word2007/Style/Outline.php
index e53282a3..06064d18 100644
--- a/src/PhpWord/Writer/Word2007/Style/Outline.php
+++ b/src/PhpWord/Writer/Word2007/Style/Outline.php
@@ -25,7 +25,9 @@ namespace PhpOffice\PhpWord\Writer\Word2007\Style;
 class Outline extends AbstractStyle
 {
     /**
-     * Write style
+     * Write style.
+     *
+     * @return void
      */
     public function write()
     {
diff --git a/src/PhpWord/Writer/Word2007/Style/Paragraph.php b/src/PhpWord/Writer/Word2007/Style/Paragraph.php
index 86efda2f..039b78bf 100644
--- a/src/PhpWord/Writer/Word2007/Style/Paragraph.php
+++ b/src/PhpWord/Writer/Word2007/Style/Paragraph.php
@@ -18,9 +18,9 @@
 namespace PhpOffice\PhpWord\Writer\Word2007\Style;
 
 use PhpOffice\PhpWord\Shared\XMLWriter;
-use PhpOffice\PhpWord\Style;
 use PhpOffice\PhpWord\Style\Alignment as AlignmentStyle;
 use PhpOffice\PhpWord\Style\Paragraph as ParagraphStyle;
+use PhpOffice\PhpWord\Style;
 
 /**
  * Paragraph style writer
@@ -44,7 +44,9 @@ class Paragraph extends AbstractStyle
     private $isInline = false;
 
     /**
-     * Write style
+     * Write style.
+     *
+     * @return void
      */
     public function write()
     {
@@ -67,7 +69,9 @@ class Paragraph extends AbstractStyle
     }
 
     /**
-     * Write full style
+     * Write full style.
+     *
+     * @return void
      */
     private function writeStyle()
     {
@@ -126,10 +130,11 @@ class Paragraph extends AbstractStyle
     }
 
     /**
-     * Write tabs
+     * Write tabs.
      *
      * @param \PhpOffice\PhpWord\Shared\XMLWriter $xmlWriter
      * @param \PhpOffice\PhpWord\Style\Tab[] $tabs
+     * @return void
      */
     private function writeTabs(XMLWriter $xmlWriter, $tabs)
     {
@@ -144,10 +149,11 @@ class Paragraph extends AbstractStyle
     }
 
     /**
-     * Write numbering
+     * Write numbering.
      *
      * @param \PhpOffice\PhpWord\Shared\XMLWriter $xmlWriter
      * @param array $numbering
+     * @return void
      */
     private function writeNumbering(XMLWriter $xmlWriter, $numbering)
     {
@@ -173,9 +179,10 @@ class Paragraph extends AbstractStyle
     }
 
     /**
-     * Set without w:pPr
+     * Set without w:pPr.
      *
      * @param bool $value
+     * @return void
      */
     public function setWithoutPPR($value)
     {
@@ -183,9 +190,10 @@ class Paragraph extends AbstractStyle
     }
 
     /**
-     * Set is inline
+     * Set is inline.
      *
      * @param bool $value
+     * @return void
      */
     public function setIsInline($value)
     {
diff --git a/src/PhpWord/Writer/Word2007/Style/Row.php b/src/PhpWord/Writer/Word2007/Style/Row.php
index 5517cc2b..98841dd8 100644
--- a/src/PhpWord/Writer/Word2007/Style/Row.php
+++ b/src/PhpWord/Writer/Word2007/Style/Row.php
@@ -30,7 +30,9 @@ class Row extends AbstractStyle
     private $height;
 
     /**
-     * Write style
+     * Write style.
+     *
+     * @return void
      */
     public function write()
     {
@@ -55,9 +57,10 @@ class Row extends AbstractStyle
     }
 
     /**
-     * Set height
+     * Set height.
      *
      * @param int $value
+     * @return void
      */
     public function setHeight($value = null)
     {
diff --git a/src/PhpWord/Writer/Word2007/Style/Section.php b/src/PhpWord/Writer/Word2007/Style/Section.php
index fb32a39a..486d0ed2 100644
--- a/src/PhpWord/Writer/Word2007/Style/Section.php
+++ b/src/PhpWord/Writer/Word2007/Style/Section.php
@@ -27,7 +27,9 @@ use PhpOffice\PhpWord\Style\Section as SectionStyle;
 class Section extends AbstractStyle
 {
     /**
-     * Write style
+     * Write style.
+     *
+     * @return void
      */
     public function write()
     {
diff --git a/src/PhpWord/Writer/Word2007/Style/Shading.php b/src/PhpWord/Writer/Word2007/Style/Shading.php
index 72054c20..8ef8c6b1 100644
--- a/src/PhpWord/Writer/Word2007/Style/Shading.php
+++ b/src/PhpWord/Writer/Word2007/Style/Shading.php
@@ -25,7 +25,9 @@ namespace PhpOffice\PhpWord\Writer\Word2007\Style;
 class Shading extends AbstractStyle
 {
     /**
-     * Write style
+     * Write style.
+     *
+     * @return void
      */
     public function write()
     {
diff --git a/src/PhpWord/Writer/Word2007/Style/Shadow.php b/src/PhpWord/Writer/Word2007/Style/Shadow.php
index dd7c769a..cc746059 100644
--- a/src/PhpWord/Writer/Word2007/Style/Shadow.php
+++ b/src/PhpWord/Writer/Word2007/Style/Shadow.php
@@ -25,7 +25,9 @@ namespace PhpOffice\PhpWord\Writer\Word2007\Style;
 class Shadow extends AbstractStyle
 {
     /**
-     * Write style
+     * Write style.
+     *
+     * @return void
      */
     public function write()
     {
diff --git a/src/PhpWord/Writer/Word2007/Style/Shape.php b/src/PhpWord/Writer/Word2007/Style/Shape.php
index 7eafb18e..ba8dce5b 100644
--- a/src/PhpWord/Writer/Word2007/Style/Shape.php
+++ b/src/PhpWord/Writer/Word2007/Style/Shape.php
@@ -25,7 +25,9 @@ namespace PhpOffice\PhpWord\Writer\Word2007\Style;
 class Shape extends AbstractStyle
 {
     /**
-     * Write style
+     * Write style.
+     *
+     * @return void
      */
     public function write()
     {
diff --git a/src/PhpWord/Writer/Word2007/Style/Spacing.php b/src/PhpWord/Writer/Word2007/Style/Spacing.php
index 5dfb5c43..2f7e122a 100644
--- a/src/PhpWord/Writer/Word2007/Style/Spacing.php
+++ b/src/PhpWord/Writer/Word2007/Style/Spacing.php
@@ -25,7 +25,9 @@ namespace PhpOffice\PhpWord\Writer\Word2007\Style;
 class Spacing extends AbstractStyle
 {
     /**
-     * Write style
+     * Write style.
+     *
+     * @return void
      */
     public function write()
     {
diff --git a/src/PhpWord/Writer/Word2007/Style/Tab.php b/src/PhpWord/Writer/Word2007/Style/Tab.php
index 865a5a9c..aa00acc7 100644
--- a/src/PhpWord/Writer/Word2007/Style/Tab.php
+++ b/src/PhpWord/Writer/Word2007/Style/Tab.php
@@ -25,7 +25,9 @@ namespace PhpOffice\PhpWord\Writer\Word2007\Style;
 class Tab extends AbstractStyle
 {
     /**
-     * Write style
+     * Write style.
+     *
+     * @return void
      */
     public function write()
     {
diff --git a/src/PhpWord/Writer/Word2007/Style/Table.php b/src/PhpWord/Writer/Word2007/Style/Table.php
index e89b121c..8bbad107 100644
--- a/src/PhpWord/Writer/Word2007/Style/Table.php
+++ b/src/PhpWord/Writer/Word2007/Style/Table.php
@@ -34,7 +34,9 @@ class Table extends AbstractStyle
     private $width;
 
     /**
-     * Write style
+     * Write style.
+     *
+     * @return void
      */
     public function write()
     {
@@ -56,7 +58,11 @@ class Table extends AbstractStyle
     }
 
     /**
-     * Write full style
+     * Write full style.
+     *
+     * @param \PhpOffice\PhpWord\Shared\XMLWriter $xmlWriter
+     * @param \PhpOffice\PhpWord\Style\Table $style
+     * @return void
      */
     private function writeStyle(XMLWriter $xmlWriter, TableStyle $style)
     {
@@ -83,11 +89,12 @@ class Table extends AbstractStyle
     }
 
     /**
-     * Write width
+     * Write width.
      *
      * @param \PhpOffice\PhpWord\Shared\XMLWriter $xmlWriter
      * @param int $width
      * @param string $unit
+     * @return void
      */
     private function writeWidth(XMLWriter $xmlWriter, $width, $unit)
     {
@@ -98,7 +105,11 @@ class Table extends AbstractStyle
     }
 
     /**
-     * Write margin
+     * Write margin.
+     *
+     * @param \PhpOffice\PhpWord\Shared\XMLWriter $xmlWriter
+     * @param \PhpOffice\PhpWord\Style\Table $style
+     * @return void
      */
     private function writeMargin(XMLWriter $xmlWriter, TableStyle $style)
     {
@@ -114,7 +125,11 @@ class Table extends AbstractStyle
     }
 
     /**
-     * Write border
+     * Write border.
+     *
+     * @param \PhpOffice\PhpWord\Shared\XMLWriter $xmlWriter
+     * @param \PhpOffice\PhpWord\Style\Table $style
+     * @return void
      */
     private function writeBorder(XMLWriter $xmlWriter, TableStyle $style)
     {
@@ -131,7 +146,11 @@ class Table extends AbstractStyle
     }
 
     /**
-     * Write row style
+     * Write row style.
+     *
+     * @param \PhpOffice\PhpWord\Shared\XMLWriter $xmlWriter
+     * @param \PhpOffice\PhpWord\Style\Table $style
+     * @return void
      */
     private function writeFirstRow(XMLWriter $xmlWriter, TableStyle $style)
     {
@@ -147,7 +166,11 @@ class Table extends AbstractStyle
     }
 
     /**
-     * Write shading
+     * Write shading.
+     *
+     * @param \PhpOffice\PhpWord\Shared\XMLWriter $xmlWriter
+     * @param \PhpOffice\PhpWord\Style\Table $style
+     * @return void
      */
     private function writeShading(XMLWriter $xmlWriter, TableStyle $style)
     {
@@ -162,9 +185,10 @@ class Table extends AbstractStyle
     }
 
     /**
-     * Set width
+     * Set width.
      *
      * @param int $value
+     * @return void
      */
     public function setWidth($value = null)
     {
diff --git a/src/PhpWord/Writer/Word2007/Style/TextBox.php b/src/PhpWord/Writer/Word2007/Style/TextBox.php
index a5f82e53..20c68c74 100644
--- a/src/PhpWord/Writer/Word2007/Style/TextBox.php
+++ b/src/PhpWord/Writer/Word2007/Style/TextBox.php
@@ -27,7 +27,9 @@ use PhpOffice\PhpWord\Style\TextBox as TextBoxStyle;
 class TextBox extends Frame
 {
     /**
-     * Writer inner margin
+     * Writer inner margin.
+     *
+     * @return void
      */
     public function writeInnerMargin()
     {
@@ -43,7 +45,9 @@ class TextBox extends Frame
     }
 
     /**
-     * Writer border
+     * Writer border.
+     *
+     * @return void
      */
     public function writeBorder()
     {