Apply #250 fix a minor typo in the text styles example

Author: ivanlanin

docs/elements.rst

@@ -88,7 +88,7 @@ Inline style examples:
     $textrun = $section->addTextRun();
     $textrun->addText('I am bold', array('bold' => true));
     $textrun->addText('I am italic', array('italic' => true));
-    $textrun->addText('I am colored, array('color' => 'AACC00'));
+    $textrun->addText('I am colored', array('color' => 'AACC00'));
 
 Defined style examples:
 

docs/src/documentation.md

@@ -495,7 +495,7 @@ $section->addText('I am simple paragraph', $fontStyle, $paragraphStyle);
 $textrun = $section->addTextRun();
 $textrun->addText('I am bold', array('bold' => true));
 $textrun->addText('I am italic', array('italic' => true));
-$textrun->addText('I am colored, array('color' => 'AACC00'));
+$textrun->addText('I am colored', array('color' => 'AACC00'));
 ```
 
 Defined style examples: