Fixed #14205 - Tiny grammar fix in form validation documentation

Thanks to zendak for report and patch.



git-svn-id: http://code.djangoproject.com/svn/django/trunk@13687 bcc190cf-cafb-0310-a4f2-bffc1f526a37

docs/ref/forms/validation.txt

@@ -178,7 +178,7 @@ Using validators
 .. versionadded:: 1.2
 
 Django's form (and model) fields support use of simple utility functions and
-classes known as validators. These can passed to a field's constructor, via
+classes known as validators. These can be passed to a field's constructor, via
 the field's ``validators`` argument, or defined on the Field class itself with
 the ``default_validators`` attribute.