description from: http://www.mediawiki.org/wiki/About_this_site
RC branch not modified.
=== Online documentation ===
Documentation for both end-users and site administrators is currently being
-built up on Meta-Wikipedia, and is covered under the GNU Free Documentation
-License:
+built up on MediaWiki.org, and is covered under the GNU Free Documentation
+License (except for pages that explicitly state that their contents are in
+the public domain) :
http://www.mediawiki.org/wiki/Documentation