diff --git a/user_guide/changelog.html b/user_guide/changelog.html
index 75cb819..e02ca28 100644
--- a/user_guide/changelog.html
+++ b/user_guide/changelog.html
@@ -93,6 +93,7 @@
 			<li>Updated <a href="helpers/date_helper.html">Date helper</a> to match the world's current time zones and offsets.</li>
 			<li>Modified url_title() in the <a href="helpers/url_helper.html">URL helper</a> to remove characters and digits that are part of
 				character entities, to allow dashes, underscores, and periods regardless of the $separator, and to allow uppercase characters.</li>
+			<li>Added support for arbitrary attributes in anchor_popup() of the <a href="helpers/url_helper.html">URL helper</a>.</li>
 		</ul>
 	</li>
 	<li>Other changes