I also see this bug, without having changed the language in XFCE from English to anything else. Actually I don't even find the way to change the language in XFCE...
** Attachment added: "screenshot" http://librarian.launchpad.net/4891526/screenshot-settings.png -- wrong button labels in xfce-setting-show https://launchpad.net/bugs/59765 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs