diff --git a/user_guide/changelog.html b/user_guide/changelog.html
index e598e7c..04328f6 100644
--- a/user_guide/changelog.html
+++ b/user_guide/changelog.html
@@ -87,6 +87,7 @@
<li>Fixed a bug in display of Email class print debugger with characters that would be interpreted as HTML in the debugging output</li>
<li>Fixed a bug in the Content-Transfer-Encoding of HTML emails with the quoted-printable MIME type</li>
<li>Fixed various doc typos. </li>
+ <li>Documented two functions from the <a href="./helpers/string_helper.html">String helper </a> that were missing from the user guide: trim_slashes() and reduce_double_slashes().</li>
<li>Docs now validate to XHTML 1 transitional</li>
<li>Fixed a bug where one could unset certain PHP superglobals by setting them via GET or POST data</li>
<li>Updated the XSS Filtering to take into account the IE expression() ability and improved certain deletions to prevent possible exploits</li>