Added missing module directive for validators documentation.
Added missing module directive for validators documentation.



git-svn-id: 4f9f921b081c523744c7bf24d959a0db39629563@13421 bcc190cf-cafb-0310-a4f2-bffc1f526a37

jamespacileo/django-france,Smarsh/django,django-nonrel/django-nonrel,Smarsh/django,jamespacileo/django-france,skevy/django,skevy/django,django-nonrel/django-nonrel,mitsuhiko/django,jamespacileo/django-france,mitsuhiko/django,django-nonrel/django-nonrel,Smarsh/django,disqus/django-old,Smarsh/django,skevy/django,alex/django-old,alex/django-old,Instagram/django,mitsuhiko/django,disqus/django-old,alex/django-old,Instagram/django,disqus/django-old,Instagram/django