diff --git a/phpBB/docs/CHANGELOG.html b/phpBB/docs/CHANGELOG.html
index 3672d1d622..d8817b624b 100644
--- a/phpBB/docs/CHANGELOG.html
+++ b/phpBB/docs/CHANGELOG.html
@@ -157,6 +157,8 @@
 		<li>[Feature] Added the possibility to force user posts put in queue if post count is lower than an admin defined value. Guest posting is not affected by this setting.</li>
 		<li>[Feature] Added 'max_recipients' setting for private messages. This setting allows admins to define the maximum number of recipients per private message with a board-wide setting and a group-specific setting.</li>
 		<li>[Feature] Added new permission setting for sending private messages to groups. Now there are two permissions to define sending private messages to multiple recipients and private messages to groups.</li>
+
+		<li>[Sec] Stricter validation of the HTTP_HOST header (Thanks to Micheal Cuttingham et al for pointing out possible issues in derived code)</li>
 	</ul>
 
 	<a name="v301"></a><h3>1.ii. Changes since 3.0.1</h3>