forgot to bump the copyright date (bug 313096)

browser/locales/en-US/chrome/help/prefs.xhtml

@@ -558,7 +558,7 @@ Contributors:
         than the one in &brandShortName;, click the <em>Security Devices</em>
         button.</p>
 
-<div class="contentsBox"><em>04 October 2005</em></div>
+<div class="contentsBox"><em>21 October 2005</em></div>
 <p>Copyright &copy; 2003-2005 Contributors to the Mozilla Help Viewer Project.</p>
 
 </body>