如何在django管理面板中解决非英语语言的案例问题？

I need to resolve problem with word endings in django admin panel. The language I'm using is russian (using utf-8 charset), so some problems occur, for example, there is a problem with the right endings on the "Add" button for some model names. The simplest thing I found is using jQuery to correct endings "on the fly", but this solution is too radical. Maybe there is a simple answer? Just don't want to dig again into deepness of django's sources...I need to resolve problem with word endings in