diff --git a/user_guide/changelog.html b/user_guide/changelog.html
index 116aaa6..4411aeb 100644
--- a/user_guide/changelog.html
+++ b/user_guide/changelog.html
@@ -65,6 +65,7 @@
 	<li>Libraries
 		<ul>
 			<li>Documented a second argument in the <kbd>decode()</kbd> function for the <a href="libraries/encryption.html">Encryption Class</a>.</li>
+			<li>Fixed an error in the Zip library that didn't allow downloading on PHP 4 servers.</li>
 		</ul>
 	</li>
 	<li>Helpers