fdo#39468 Translate German Comments - docfact.cxx

Change-Id: Ib9ca82b1b5f19dff439cd3119781a5f025b45231
Reviewed-on: https://gerrit.libreoffice.org/8663
Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>
Tested-by: Miklos Vajna <vmiklos@collabora.co.uk>