Fixed small ReST error in [1495]

git-svn-id: http://code.djangoproject.com/svn/django/trunk@1496 bcc190cf-cafb-0310-a4f2-bffc1f526a37

docs/apache_auth.txt

@@ -31,7 +31,7 @@ with the standard ``Auth*`` and ``Require`` directives::
 
 By default, the authentication handler will limit access to the ``/example/``
 location to users marked as staff members.  You can use a set of
-``PythonOption`` directives to modify this behavior::
+``PythonOption`` directives to modify this behavior:
 
     ================================  =========================================
     ``PythonOption``                  Explanation