Forum:Editing special pages

Hi! Is it possible to add tips in the top of a page we are editing like in wikipedia? Example. Thanks.

http://en.wikipedia.org/wiki/MediaWiki:Protectedpagetext --Uberfuzzy 22:28, September 7, 2009 (UTC)
 * And are there others? Thanks! Português Discussão 13:58, September 8, 2009 (UTC)
 * Special:AllMessages. --Michaeldsuarez (Talk) (Deeds) 15:12, September 8, 2009 (UTC)
 * I'm asking about mediawiki messages that appear in the top of a page we are editing. Português Discussão 16:02, September 8, 2009 (UTC)
 * MediaWiki:Newarticletext? --Michaeldsuarez (Talk) (Deeds) 19:40, September 8, 2009 (UTC)