Forum:MediaWiki page

What is the MediaWiki page to change the text on Special:upload? I mean, to add instructions for adding copyright templates. 12:44, January 22, 2012 (UTC)
 * MediaWiki:Uploadtext. 1358  (Talk)  12:47, January 22, 2012 (UTC)
 * Thanks. Wow, how in the world didn't I guess that? 14:04, January 22, 2012 (UTC)