Fixed a double opening <p> tag in the index pages of each system directory.
diff --git a/user_guide/changelog.html b/user_guide/changelog.html
index 6c910b8..b923a58 100644
--- a/user_guide/changelog.html
+++ b/user_guide/changelog.html
@@ -66,6 +66,11 @@
 	<li>No changes currently</li>

 </ul>

 

+<h3>Bug fixes for 1.6.4</h3>

+<ul>

+	<li>Fixed a double opening &lt;p&gt; tag in the index pages of each system directory.</li>

+</ul>

+

 <h2>Version 1.6.3</h2>

 <p>Release Date: June 26, 2008<br />

 SVN Revision: 1227</p>