django/django — pull request #2723 by Vincent-Vega (2014-05-27 17:30:21+00:00)
Title: Fix for #22711 -- Allow model's Meta.ordering attribute to have explicit ForeignKey relation fields

https://github.com/django/django/commit/24ec9538b7ca400f68ba08fab380445ca95d7c02 introduced an opportunity to order by the field attr itself. But system check framework didn't reflect this change.
Also fixed a small typo in method comment.