* Added valid_base64() to the Validation class
* Tightened up validation of the supplied string given to the decode() method of the Encryption class (#3320)
diff --git a/user_guide/changelog.html b/user_guide/changelog.html
index b55de62..c9d2684 100644
--- a/user_guide/changelog.html
+++ b/user_guide/changelog.html
@@ -116,6 +116,7 @@
 			<li>Added a language entry for valid_ip validation error.</li>

 		    <li>Modified prep_for_form() in the Validation class to accept arrays, adding support for POST array validation (via callbacks only)</li>

 		    <li>Added an &quot;integer&quot; rule into the <a href="./libraries/validation.html">Validation</a> library.</li>

+			<li>Added valid_base64() to the Validation library.</li>

 		    <li>Changed the behaviour of custom callbacks so that they no longer trigger the &quot;required&quot; rule. </li>

 			<li>Modified Upload class $_FILES error messages to be more precise.</li>

 			<li>Moved the safe mode and auth checks for the Email library into the constructor. </li>