diff --git a/user_guide/changelog.html b/user_guide/changelog.html
index 3e9db57..6f21a27 100644
--- a/user_guide/changelog.html
+++ b/user_guide/changelog.html
@@ -66,6 +66,7 @@
 <p>Release Date: -- still in development </p>
 <ul>
     <li>Fixed a bug in database driver where num_rows property wasn't getting updated </li>
+    <li>Fixed a bug in captcha calling an invalid PHP function </li>
 </ul>
 <h2>Version 1.5.4</h2>
 <p>Release Date: July 12, 2007 </p>