diff --git a/user_guide/changelog.html b/user_guide/changelog.html
index f37982c..47e517d 100644
--- a/user_guide/changelog.html
+++ b/user_guide/changelog.html
@@ -74,6 +74,11 @@
 			<li>Added support for query strings to the <a href="libraries/pagination.html">Pagination class</a>, automatically detected or explicitly declared.</li>
 		</ul>
 	</li>
+	<li>Helpers
+		<ul>
+			<li><a href="helpers/form_helper.html">Form helper</a> refactored to allow <kbd>form_open()</kbd> and <kbd>form_fieldset()</kbd> to accept arrays or strings as arguments.</li>
+		</ul>
+	</li>
 	<li>Other changes
 		<ul>
 			<li>Added ability to <a href="libraries/input.html">use xss_clean() to test images</a> for XSS, useful for upload security.</li>