diff --git a/samples/Sample_32_Chart.php b/samples/Sample_32_Chart.php
index e345afda..87d6f3e3 100644
--- a/samples/Sample_32_Chart.php
+++ b/samples/Sample_32_Chart.php
@@ -49,8 +49,14 @@ $section = $phpWord->addSection(array('colsNum' => 2, 'breakType' => 'continuous
 
 $chartTypes = array('pie', 'bar', 'column', 'line', 'area');
 $multiSeries = array('bar', 'column', 'line', 'area');
-$style = array('width' => Converter::cmToEmu(5), 'height' => Converter::cmToEmu(4), '3d' => true, 
-                'showAxisLabels' => $showAxisLabels, 'showGridX' => $showGridLines, 'showGridY' => $showGridLines);
+$style = array(
+    'width'          => Converter::cmToEmu(5),
+    'height'         => Converter::cmToEmu(4),
+    '3d'             => true,
+    'showAxisLabels' => $showAxisLabels,
+    'showGridX'      => $showGridLines,
+    'showGridY'      => $showGridLines,
+);
 foreach ($chartTypes as $chartType) {
     $section->addTitle(ucfirst($chartType), 2);
     $chart = $section->addChart($chartType, $categories, $series1, $style);
diff --git a/src/PhpWord/Writer/Word2007/Part/Chart.php b/src/PhpWord/Writer/Word2007/Part/Chart.php
index 09ce8c55..59255a6b 100644
--- a/src/PhpWord/Writer/Word2007/Part/Chart.php
+++ b/src/PhpWord/Writer/Word2007/Part/Chart.php
@@ -280,7 +280,7 @@ class Chart extends AbstractPart
             }
             $xmlWriter->writeElementBlock('c:crosses', 'val', 'autoZero');
         }
-        if (isset($this->options['radar']) || ($type == "cat" && $style->showGridX()) || ($type == "val" && $style->showGridY())) {
+        if (isset($this->options['radar']) || ($type == 'cat' && $style->showGridX()) || ($type == 'val' && $style->showGridY())) {
             $xmlWriter->writeElement('c:majorGridlines');
         }