text: It defaults the sort key to the page name without namespace ( ie , `` Foo '' on `` Template : Foo '' , so it would be sorted in categories under ` F ' ) .
simplified: In addition to the output message , the template categorizes pages to Documentation subpages and defaults the sort key to the page name without namespace ( ie , `` Foo '' on `` Template : Foo '' , so it would be sorted in categories under ` F ' ) .