Fixed #12888. Fixed a typo in some related object error messages. Thanks, nessita.
Fixed #12888. Fixed a typo in some related object error messages. Thanks, nessita.

git-svn-id: 554f83ef17aa7291f84efa897c1acfc5d0035373@12532 bcc190cf-cafb-0310-a4f2-bffc1f526a37

svn2github/django,svn2github/django,svn2github/django