Corrected translation of two phrases

Signed-off-by: Jan-Christoph Ihrens <ihrens@cc-services.de>
Corrected some German phrases

Minor changes, mostly concerning formatting
German lexicon topic updates

Merge remote-tracking branch 'origin/pr/726' into release-2.2

* origin/pr/726:
  Corrected some German phrases
  Corrected translation of two phrases