Remove "Contact the author", turn into "Help"

Author: wetneb

editgroups/templates/editgroups/common.html

@@ -54,7 +54,7 @@
                 <div id="footer">
                       <a href="https://github.com/Wikidata/editgroups">Source on GitHub</a> 
                       <a href="{% url "api-list-batches" %}">API</a>
-                      <a href="https://www.wikidata.org/wiki/User_talk:Pintoch">Contact the author</a>
+                      <a href="https://www.wikidata.org/wiki/Wikidata_talk:Edit_groups">Help</a>
                 </div>
         </body>
 </html>