diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/about.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/about.tt
index cd68e60363..90af3459dc 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/about.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/about.tt
@@ -720,6 +720,8 @@
             <h2>jQuery Validation Plugin</h2>
             <p>The <a href="http://jqueryvalidation.org/">jQuery Validation Plugin</a> written and maintained by Jörn Zaefferer is licensed under the <a href="http://opensource.org/licenses/mit-license.php">MIT License</a>.</p>
 
+            <h2>TinyMCE WYSIWYG editor</h2>
+            <p>The <a href="http://www.tinymce.com/">TinyMCE WYSIWYG editor v3.5.8 </a> by Moxiecode (Ephox) is licensed under the <a href="http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt">LGPL v2.1</a>.</p>
         </div>
 
         <div id="translations">