Fix a copy/paste error in the 'show_user_profile' hook description in wp-admin/user-edit.php.

Props neoxx.
Fixes #26597.

Built from https://develop.svn.wordpress.org/trunk@26907


git-svn-id: http://core.svn.wordpress.org/trunk@26790 1a063a9b-81f0-0310-95a4-ce76da25c4cd