diff --git a/calendar/resources/content/about.html b/calendar/resources/content/about.html
index 724a1e957db9..96744307f491 100644
--- a/calendar/resources/content/about.html
+++ b/calendar/resources/content/about.html
@@ -78,7 +78,7 @@ h1 {
 
 <td id="mozver">
 <h1>
-<a id="mozlink" href="http://www.mozilla.org/projects/calendar/" target="_new">Mozilla Calendar 2002091715-cal</a>
+<a id="mozlink" href="http://www.mozilla.org/projects/calendar/" target="_new">Mozilla Calendar 2002091910-cal</a>
 </h1>
 <script type="application/x-javascript">
   // using try..catch to handle empty useragents and other cases where the regex fails to apply