Merge pull request #271 from morty/patch-1

Fixed doc comment in django.contrib.admin example to match the code

docs/ref/contrib/admin/index.txt

@@ -623,7 +623,7 @@ subclass::
                    provided in the query string and retrievable via
                    `self.value()`.
                    """
-                   # Compare the requested value (either '80s' or 'other')
+                   # Compare the requested value (either '80s' or '90s')
                    # to decide how to filter the queryset.
                    if self.value() == '80s':
                        return queryset.filter(birthday__gte=date(1980, 1, 1),