diff --git a/user_guide/helpers/string_helper.html b/user_guide/helpers/string_helper.html
index 0431024..9a6fc35 100644
--- a/user_guide/helpers/string_helper.html
+++ b/user_guide/helpers/string_helper.html
@@ -33,7 +33,7 @@
 <div id="masthead">
 <table cellpadding="0" cellspacing="0" border="0" style="width:100%">
 <tr>
-<td><h1>Code Igniter User Guide Version 1.5.0</h1></td>
+<td><h1>Code Igniter User Guide Version 1.5.1</h1></td>
 <td id="breadcrumb_right"><a href="../toc.html">Table of Contents Page</a></td>
 </tr>
 </table>