I have the same problem with current 15.10 (still beta), even though with French (see attached screenshot).
** Attachment added: "Capture d'écran de 2015-10-09 20-57-02.png" https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1491787/+attachment/4490072/+files/Capture%20d%27%C3%A9cran%20de%202015-10-09%2020-57-02.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1491787 Title: System language isn't applied to gnome-control-center in Gnome-Shell To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-gnome/+bug/1491787/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs