Changed version number, added upgrade instructions
diff --git a/user_guide/general/plugins.html b/user_guide/general/plugins.html
index 61f4574..0e83c5c 100644
--- a/user_guide/general/plugins.html
+++ b/user_guide/general/plugins.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 1.5.1</h1></td>
+<td><h1>Code Igniter User Guide Version 1.5.2</h1></td>
<td id="breadcrumb_right"><a href="../toc.html">Table of Contents Page</a></td>
</tr>
</table>