diff --git a/CHANGELOG.md b/CHANGELOG.md
index af109b3f..5e39ed3f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -18,6 +18,8 @@ This is the last version to support PHP 5.3
 - Support for Comments - @troosan #1067
 - Support for paragraph textAlignment - @troosan #1165
 - Add support for HTML underline tag <u> in addHtml - @zNightFalLz #1186
+- Allow to change cell width unit - guillaume-ro-fr #986
+- Allow to change the line height rule @troosan
 
 ### Fixed
 - Loosen dependency to Zend
diff --git a/docs/styles.rst b/docs/styles.rst
index f223574f..6166f5c9 100644
--- a/docs/styles.rst
+++ b/docs/styles.rst
@@ -79,6 +79,8 @@ Available Paragraph style options:
 - ``pageBreakBefore``. Start paragraph on next page, *true* or *false*.
 - ``spaceBefore``. Space before paragraph.
 - ``spaceAfter``. Space after paragraph.
+- ``spacing``. Space between lines.
+- ``spacingLineRule``. Line Spacing Rule. *auto*, *exact*, *atLeast*
 - ``tabs``. Set of custom tab stops.
 - ``widowControl``. Allow first/last line to display on a separate page, *true* or *false*.
 - ``contextualSpacing``. Ignore Spacing Above and Below When Using Identical Styles, *true* or *false*.
diff --git a/src/PhpWord/Element/Field.php b/src/PhpWord/Element/Field.php
index 726938b5..d51cba8d 100644
--- a/src/PhpWord/Element/Field.php
+++ b/src/PhpWord/Element/Field.php
@@ -206,10 +206,10 @@ class Field extends AbstractElement
     /**
      * Set Field text
      *
-     * @param string | TextRun $text
+     * @param string|TextRun $text
      *
      * @throws \InvalidArgumentException
-     * @return string | TextRun
+     * @return string|TextRun
      */
     public function setText($text)
     {
@@ -227,7 +227,7 @@ class Field extends AbstractElement
     /**
      * Get Field text
      *
-     * @return string | TextRun
+     * @return string|TextRun
      */
     public function getText()
     {
diff --git a/src/PhpWord/Metadata/Settings.php b/src/PhpWord/Metadata/Settings.php
index 412f5c52..33f72cca 100644
--- a/src/PhpWord/Metadata/Settings.php
+++ b/src/PhpWord/Metadata/Settings.php
@@ -91,7 +91,7 @@ class Settings
     /**
      * Spelling and Grammatical Checking State
      *
-     * @var \PhpOffice\PhpWord\Metadata\ProofState
+     * @var \PhpOffice\PhpWord\ComplexType\ProofState
      */
     private $proofState;
 
diff --git a/src/PhpWord/Shared/Html.php b/src/PhpWord/Shared/Html.php
index 479e0f46..5319c879 100644
--- a/src/PhpWord/Shared/Html.php
+++ b/src/PhpWord/Shared/Html.php
@@ -21,6 +21,7 @@ use PhpOffice\PhpWord\Element\AbstractContainer;
 use PhpOffice\PhpWord\Element\Row;
 use PhpOffice\PhpWord\Element\Table;
 use PhpOffice\PhpWord\SimpleType\Jc;
+use PhpOffice\PhpWord\Element\Cell;
 
 /**
  * Common Html functions
@@ -276,8 +277,7 @@ class Html
      * @param \DOMNode $node
      * @param \PhpOffice\PhpWord\Element\AbstractContainer $element
      * @param array &$styles
-     * @param string $argument1 Method name
-     * @return \PhpOffice\PhpWord\Element\AbstractContainer $element
+     * @return Table $element
      *
      * @todo As soon as TableItem, RowItem and CellItem support relative width and height
      */
@@ -308,7 +308,7 @@ class Html
      * @param \DOMNode $node
      * @param \PhpOffice\PhpWord\Element\Table $element
      * @param array &$styles
-     * @return \PhpOffice\PhpWord\Element\AbstractContainer $element
+     * @return Row $element
      */
     private static function parseRow($node, $element, &$styles)
     {
@@ -326,7 +326,7 @@ class Html
      * @param \DOMNode $node
      * @param \PhpOffice\PhpWord\Element\Table $element
      * @param array &$styles
-     * @return \PhpOffice\PhpWord\Element\AbstractContainer $element
+     * @return Cell $element
      */
     private static function parseCell($node, $element, &$styles)
     {
diff --git a/src/PhpWord/SimpleType/LineSpacingRule.php b/src/PhpWord/SimpleType/LineSpacingRule.php
new file mode 100644
index 00000000..f2cc5e63
--- /dev/null
+++ b/src/PhpWord/SimpleType/LineSpacingRule.php
@@ -0,0 +1,45 @@
+<?php
+/**
+ * This file is part of PHPWord - A pure PHP library for reading and writing
+ * word processing documents.
+ *
+ * PHPWord is free software distributed under the terms of the GNU Lesser
+ * General Public License version 3 as published by the Free Software Foundation.
+ *
+ * For the full copyright and license information, please read the LICENSE
+ * file that was distributed with this source code. For the full list of
+ * contributors, visit https://github.com/PHPOffice/PHPWord/contributors.
+ *
+ * @see         https://github.com/PHPOffice/PHPWord
+ * @copyright   2010-2017 PHPWord contributors
+ * @license     http://www.gnu.org/licenses/lgpl.txt LGPL version 3
+ */
+
+namespace PhpOffice\PhpWord\SimpleType;
+
+use PhpOffice\PhpWord\Shared\AbstractEnum;
+
+/**
+ * Line Spacing Rule
+ *
+ * @since 0.14.0
+ *
+ * @see http://www.datypic.com/sc/ooxml/t-w_ST_LineSpacingRule.html
+ */
+final class LineSpacingRule extends AbstractEnum
+{
+    /**
+     * Automatically Determined Line Height
+     */
+    const AUTO = 'auto';
+
+    /**
+     * Exact Line Height
+     */
+    const EXACT = 'exact';
+
+    /**
+     * Minimum Line Height
+     */
+    const AT_LEAST = 'atLeast';
+}
diff --git a/src/PhpWord/Style/Paragraph.php b/src/PhpWord/Style/Paragraph.php
index 355b495d..3b45344c 100644
--- a/src/PhpWord/Style/Paragraph.php
+++ b/src/PhpWord/Style/Paragraph.php
@@ -21,6 +21,7 @@ use PhpOffice\Common\Text;
 use PhpOffice\PhpWord\Exception\InvalidStyleException;
 use PhpOffice\PhpWord\SimpleType\Jc;
 use PhpOffice\PhpWord\SimpleType\TextAlignment;
+use PhpOffice\PhpWord\SimpleType\LineSpacingRule;
 
 /**
  * Paragraph style
@@ -489,6 +490,27 @@ class Paragraph extends Border
         return $this->setSpace(array('line' => $value));
     }
 
+    /**
+     * Get spacing line rule
+     *
+     * @return string
+     */
+    public function getSpacingLineRule()
+    {
+        return $this->getChildStyleValue($this->spacing, 'lineRule');
+    }
+
+    /**
+     * Set the spacing line rule
+     *
+     * @param string $value Possible values are defined in LineSpacingRule
+     * @return \PhpOffice\PhpWord\Style\Paragraph
+     */
+    public function setSpacingLineRule($value)
+    {
+        return $this->setSpace(array('lineRule' => $value));
+    }
+
     /**
      * Get line height
      *
diff --git a/src/PhpWord/Style/Spacing.php b/src/PhpWord/Style/Spacing.php
index e0eee374..a932eb1a 100644
--- a/src/PhpWord/Style/Spacing.php
+++ b/src/PhpWord/Style/Spacing.php
@@ -17,10 +17,12 @@
 
 namespace PhpOffice\PhpWord\Style;
 
+use PhpOffice\PhpWord\SimpleType\LineSpacingRule;
+
 /**
  * Spacing between lines and above/below paragraph style
  *
- * @see  http://www.schemacentral.com/sc/ooxml/t-w_CT_Spacing.html
+ * @see  http://www.datypic.com/sc/ooxml/t-w_CT_Spacing.html
  * @since 0.10.0
  */
 class Spacing extends AbstractStyle
@@ -51,7 +53,7 @@ class Spacing extends AbstractStyle
      *
      * @var string
      */
-    private $rule = 'auto';
+    private $lineRule = LineSpacingRule::AUTO;
 
     /**
      * Create a new instance
@@ -137,6 +139,32 @@ class Spacing extends AbstractStyle
      *
      * @return string
      */
+    public function getLineRule()
+    {
+        return $this->lineRule;
+    }
+    
+    /**
+     * Set line rule
+     *
+     * @param string $value
+     * @return self
+     */
+    public function setLineRule($value = null)
+    {
+        LineSpacingRule::validate($value);
+        $this->lineRule = $value;
+
+        return $this;
+    }
+
+    /**
+     * Get line rule
+     *
+     * @return string
+     * @deprecated Use getLineRule() instead
+     * @codeCoverageIgnore
+     */
     public function getRule()
     {
         return $this->rule;
@@ -147,10 +175,12 @@ class Spacing extends AbstractStyle
      *
      * @param string $value
      * @return self
+     * @deprecated Use setLineRule() instead
+     * @codeCoverageIgnore
      */
     public function setRule($value = null)
     {
-        $this->rule = $value;
+        $this->rule = value;
 
         return $this;
     }
diff --git a/src/PhpWord/Writer/HTML/Element/AbstractElement.php b/src/PhpWord/Writer/HTML/Element/AbstractElement.php
index f6e06258..47f0f93c 100644
--- a/src/PhpWord/Writer/HTML/Element/AbstractElement.php
+++ b/src/PhpWord/Writer/HTML/Element/AbstractElement.php
@@ -50,7 +50,7 @@ abstract class AbstractElement
     protected $withoutP = false;
 
     /**
-     * @var \Zend\Escaper\Escaper
+     * @var \Zend\Escaper\Escaper|\PhpOffice\PhpWord\Escaper\AbstractEscaper
      */
     protected $escaper;
 
diff --git a/src/PhpWord/Writer/Word2007/Style/Spacing.php b/src/PhpWord/Writer/Word2007/Style/Spacing.php
index 8db78161..c18339bd 100644
--- a/src/PhpWord/Writer/Word2007/Style/Spacing.php
+++ b/src/PhpWord/Writer/Word2007/Style/Spacing.php
@@ -46,7 +46,7 @@ class Spacing extends AbstractStyle
         $line = $style->getLine();
         $xmlWriter->writeAttributeIf(!is_null($line), 'w:line', $line);
 
-        $xmlWriter->writeAttributeIf(!is_null($line), 'w:lineRule', $style->getRule());
+        $xmlWriter->writeAttributeIf(!is_null($line), 'w:lineRule', $style->getLineRule());
 
         $xmlWriter->endElement();
     }
diff --git a/tests/PhpWord/Style/ParagraphTest.php b/tests/PhpWord/Style/ParagraphTest.php
index 48acc600..68c0c12e 100644
--- a/tests/PhpWord/Style/ParagraphTest.php
+++ b/tests/PhpWord/Style/ParagraphTest.php
@@ -19,6 +19,7 @@ namespace PhpOffice\PhpWord\Style;
 
 use PhpOffice\PhpWord\PhpWord;
 use PhpOffice\PhpWord\TestHelperDOCX;
+use PhpOffice\PhpWord\SimpleType\LineSpacingRule;
 
 /**
  * Test class for PhpOffice\PhpWord\Style\Paragraph
@@ -71,6 +72,7 @@ class ParagraphTest extends \PHPUnit\Framework\TestCase
             'indent'            => 1,
             'hanging'           => 1,
             'spacing'           => 120,
+            'spacingLineRule'   => LineSpacingRule::AT_LEAST,
             'basedOn'           => 'Normal',
             'next'              => 'Normal',
             'numStyle'          => 'numStyle',
diff --git a/tests/PhpWord/Style/SpacingTest.php b/tests/PhpWord/Style/SpacingTest.php
index 2c26f68b..65be8092 100644
--- a/tests/PhpWord/Style/SpacingTest.php
+++ b/tests/PhpWord/Style/SpacingTest.php
@@ -31,10 +31,10 @@ class SpacingTest extends \PHPUnit\Framework\TestCase
     {
         $object = new Spacing();
         $properties = array(
-            'before' => array(null, 10),
-            'after'  => array(null, 10),
-            'line'   => array(null, 10),
-            'rule'   => array('auto', 'exact'),
+            'before'   => array(null, 10),
+            'after'    => array(null, 10),
+            'line'     => array(null, 10),
+            'lineRule' => array('auto', 'exact'),
         );
         foreach ($properties as $property => $value) {
             list($default, $expected) = $value;