diff --git a/lib/Diff/Renderer/Html/SideBySide.php b/lib/Diff/Renderer/Html/SideBySide.php
index eb438483..02a0337e 100644
--- a/lib/Diff/Renderer/Html/SideBySide.php
+++ b/lib/Diff/Renderer/Html/SideBySide.php
@@ -44,6 +44,16 @@
 
 class Diff_Renderer_Html_SideBySide extends Diff_Renderer_Html_Array
 {
+	/**
+	 * Default options: newValue and oldValue set the labels for table heading 
+	 *
+	 * @var array
+	 */
+	protected $defaultOptions = array(
+		'oldVersion' => 'Old Version',
+		'newVersion' => 'New Version'
+	);
+	
 	/**
 	 * Render a and return diff with changes between the two sequences
 	 * displayed side by side.
@@ -62,8 +72,8 @@ 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['oldVersion'] . '</th>';
+		$html .= '<th colspan="2">' . $this->options['newVersion'] . '</th>';
 		$html .= '</tr>';
 		$html .= '</thead>';
 		foreach($changes as $i => $blocks) {
@@ -160,4 +170,4 @@ public function render()
 		$html .= '</table>';
 		return $html;
 	}
-}
\ No newline at end of file
+}