[1.3.X] Fixed #16109: Corrected an inconsistency in URLconf examples for...

[1.3.X] Fixed #16109: Corrected an inconsistency in URLconf examples for matching a numeric month. Backport of [16811] from trunk.

git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.3.X@16812 bcc190cf-cafb-0310-a4f2-bffc1f526a37