Thanks for your report, but it's not a bug, it's part of the code (and the "Button Label" part of the string should not be translated).
** Changed in: xfce-mcs-plugins (Ubuntu) Status: Unconfirmed => Rejected -- Incorrect text strings https://launchpad.net/bugs/75351 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs