diff --git a/user_guide/changelog.html b/user_guide/changelog.html
index eb5cf93..b7eb882 100644
--- a/user_guide/changelog.html
+++ b/user_guide/changelog.html
@@ -73,6 +73,7 @@
 	<li>Libraries
 		<ul>
 			<li>Added <a href="./libraries/security.html">Security library</a>, which now contains the <dfn>xss_clean</dfn> function, <dfn>filename_security</dfn> function and other security related functions.</li>
+			<li>Added CSRF (Cross-site Reference Forgery) protection to the <a href="./libraries/security.html">Security library</a>.</li>
 			<li>Added <var>$parse_exec_vars</var> property to Output library.</li>
 			<li>Added ability to enable / disable individual sections of the <a href="general/profiling.html">Profiler</a></li>
 			<li>Added "is_object" into the list of unit tests capable of being run.</li>