Board Thread:Support Requests - Getting Started/@comment-7453665-20150226195930/@comment-5939974-20150227131515

If by "sub board", you mean that long bar on the top of this page with "On the Wiki" as one of its tabs, the page with all the parameters is MediaWiki:Wiki-navigation (for instance, if it's the Community Central's one, the URL is http://community.wikia.com/wiki/MediaWiki:Wiki-navigation). Remember that only users with admin rights can edit the page, but you could always suggest changes to a local admin.

Concise help on how to edit the tabs can be found at Help:Navigation.