o Updated index page of plugin site

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@690250 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/src/site/apt/index.apt b/src/site/apt/index.apt
index 6102c32..0551d38 100644
--- a/src/site/apt/index.apt
+++ b/src/site/apt/index.apt
@@ -45,11 +45,14 @@
 * Usage
 
   General instructions on how to use the Stage Plugin can be found on the {{{usage.html}usage page}}.
+  Last but not least, users occasionally contribute
+  additional examples, tips or errata to the
+  {{{http://docs.codehaus.org/display/MAVENUSER/Stage+Plugin}plugin's wiki page}}.
 
   In case you still have questions regarding the plugin's usage, please have a look at the {{{faq.html}FAQ}} and feel
   free to contact the {{{mail-lists.html}user mailing list}}. The posts to the mailing list are archived and could
   already contain the answer to your question as part of an older thread. Hence, it is also worth browsing/searching
-  the mail archive.
+  the {{{mail-lists.html}mail archive}}.
 
   If you feel like the plugin is missing a feature or has a defect, you can fill a feature request or bug report in our
   {{{issue-tracking.html}issue tracker}}. When creating a new issue, please provide a comprehensive description of your