add link to the repo to template.html

template.html

@@ -90,6 +90,21 @@ <h3>Footnotes</h3>
         <%/loop%>
     </ol>
 
+    <hr />
+    <p>
+        This file is generated by <code>process.pl</code> from
+        <code>template.html</code> and <code>features.txt</code>, all of
+        which can be found in the <a
+        href="https://github.com/perl6/features/">perl6/features</a>
+        repository.
+    </p>
+    <p>
+        If you find any information here lacking or inaccurate, please fix it
+        in the repository mentioned above. If you don't have commit access
+        yet, please ask on <a href="http://perl6.org/community/irc">the #perl6
+        IRC channel</a>.
+    </p>
+
 </body>
 </html>