diff --git a/user_guide/changelog.html b/user_guide/changelog.html
index ae66add..272db5f 100644
--- a/user_guide/changelog.html
+++ b/user_guide/changelog.html
@@ -28,7 +28,7 @@
 <div id="masthead">
 <table cellpadding="0" cellspacing="0" border="0" style="width:100%">
 <tr>
-<td><h1>CodeIgniter User Guide Version 2.1.0</h1></td>
+<td><h1>CodeIgniter User Guide Version 2.1.1</h1></td>
 <td id="breadcrumb_right"><a href="./toc.html">Table of Contents Page</a></td>
 </tr>
 </table>
@@ -72,6 +72,7 @@
 <ul>
 	<li>Fixed a bug (#697) - A wrong array key was used in the Upload library to check for mime-types.</li>
 	<li>Fixed a bug - form_open() compared $action against site_url() instead of base_url()</li>
+	<li>Fixed a bug - CI_Upload::_file_mime_type() could've failed if mime_content_type() is used for the detection and returns FALSE.</li>
 </ul>