[django-1.0.X] Fixed #9507 -- Correct an example in the admin docs. Thanks,

john_scott and SmileyChris.

Backport of r9432 from trunk.


git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.0.X@9433 bcc190cf-cafb-0310-a4f2-bffc1f526a37