D11561: fix typos in UI strings

[Frederik Schwarzer]

schwarzer closed this revision.

REPOSITORY
  R845 Plasma Vault

REVISION DETAIL
  https://phabricator.kde.org/D11561

To: schwarzer, ivan, davidedmundson
Cc: plasma-devel, ZrenBot, lesliezhai, ali-mohamed, jensreuterberg, abetts, 
sebas, apol, mart