Improve Denglish and reformat comments

Change-Id: Ieb0d47240209f35a0558cb788a21ab45b405eb47
Reviewed-on: https://gerrit.libreoffice.org/11820
Reviewed-by: Samuel Mehrbrodt <s.mehrbrodt@gmail.com>
Tested-by: Samuel Mehrbrodt <s.mehrbrodt@gmail.com>