Changed some ReST formatting of headers (in forms/validation.txt).
Changed some ReST formatting of headers (in forms/validation.txt).

--HG--
extra : convert_revision : svn%3Abcc190cf-cafb-0310-a4f2-bffc1f526a37/django/trunk%409666

adieu/django-nonrel,adieu/django-nonrel,adieu/django-nonrel