Changed an overlooked occurrence of repr() to str(). Pointed out by Jeremy

   :alt: Polls change list page

   :target: http://media.djangoproject.com/img/doc/tutorial/admin04.png

By default, Django displays the ``repr()`` of each object. But it'd be more

helpful if we could display individual fields. To do that, use the

By default, Django displays the ``str()`` of each object. But sometimes it'd

be more helpful if we could display individual fields. To do that, use the

``list_display`` option, which is a tuple of field names to display, as columns,

on the change list page for the object::