diff --git a/user_guide/changelog.html b/user_guide/changelog.html
index ebff623..6ec6cd3 100644
--- a/user_guide/changelog.html
+++ b/user_guide/changelog.html
@@ -62,6 +62,11 @@
 SVN Revision: </p>
 
 <ul>
+	<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>
+		</ul>
+	</li>
 	<li>Helpers
 		<ul>
 			<li>Added accept-charset to the list of inserted attributes of <kbd>form_open()</kbd> in the <a href="helpers/form_helper.html">Form Helper</a>.</li>