diff --git a/example/example.php b/example/example.php
index 87495980..e168d601 100644
--- a/example/example.php
+++ b/example/example.php
@@ -32,7 +32,10 @@
 
 		// Generate a side by side diff
 		require_once dirname(__FILE__).'/../lib/Diff/Renderer/Html/SideBySide.php';
-		$renderer = new Diff_Renderer_Html_SideBySide;
+        $renderer = new Diff_Renderer_Html_SideBySide(array(
+            'title_a' => 'Custom title for OLD version',
+            'title_b' => 'Custom title for NEW version',
+        ));
 		echo $diff->Render($renderer);
 
 		?>
diff --git a/lib/Diff.php b/lib/Diff.php
index bede3853..a4dc59ae 100644
--- a/lib/Diff.php
+++ b/lib/Diff.php
@@ -68,8 +68,6 @@ class Diff
 		'ignoreNewLines' => false,
 		'ignoreWhitespace' => false,
 		'ignoreCase' => false,
-		'title_a'=>'Old Version',
-		'title_b'=>'New Version',
 		'labelDifferences'=>'Differences'
 	);
 
diff --git a/lib/Diff/Renderer/Abstract.php b/lib/Diff/Renderer/Abstract.php
index 828ccf74..f7f60571 100644
--- a/lib/Diff/Renderer/Abstract.php
+++ b/lib/Diff/Renderer/Abstract.php
@@ -50,7 +50,10 @@ abstract class Diff_Renderer_Abstract
 	/**
 	 * @var array Array of the default options that apply to this renderer.
 	 */
-	protected $defaultOptions = array();
+    protected $defaultOptions = array(
+        'title_a' => 'Old Version',
+        'title_b' => 'New Version',
+    );
 
 	/**
 	 * @var array Array containing the user applied and merged default options for the renderer.
diff --git a/lib/Diff/Renderer/Html/Array.php b/lib/Diff/Renderer/Html/Array.php
index 12782e09..894749ee 100644
--- a/lib/Diff/Renderer/Html/Array.php
+++ b/lib/Diff/Renderer/Html/Array.php
@@ -51,7 +51,9 @@ class Diff_Renderer_Html_Array extends Diff_Renderer_Abstract
 	 * @var array Array of the default options that apply to this renderer.
 	 */
 	protected $defaultOptions = array(
-		'tabSize' => 4
+		'tabSize' => 4,
+        'title_a' => 'Old Version',
+        'title_b' => 'New Version',
 	);
 
 	/**
diff --git a/lib/Diff/Renderer/Html/SideBySide.php b/lib/Diff/Renderer/Html/SideBySide.php
index c1beb393..bcac92fb 100644
--- a/lib/Diff/Renderer/Html/SideBySide.php
+++ b/lib/Diff/Renderer/Html/SideBySide.php
@@ -65,8 +65,8 @@ public function render()
 		$html .= '<table class="Differences DifferencesSideBySide">';
 		$html .= '<thead>';
 		$html .= '<tr>';
-		$html .= '<th colspan="2">Old Version</th>';
-		$html .= '<th colspan="2">New Version</th>';
+		$html .= '<th colspan="2">'.$this->options['title_a'].'</th>';
+		$html .= '<th colspan="2">'.$this->options['title_b'].'</th>';
 		$html .= '</tr>';
 		$html .= '</thead>';
 		foreach($changes as $i => $blocks) {