As far as I know KDE do not translate system on Launchpad. However I tried to contact somebody who perhaps can help. I have no right to edit and correct a KDE translation.
https://l10n.kde.org/team-infos.php?teamcode=pl -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1740848 Title: Bad polish translation: actions and activities are translated to the same word To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-translations/+bug/1740848/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs