Changed few passive and impersonal phrases in contribution description.

Closes #333 (closed)

changed milestone to %Meeting-2022-06-01

requested review from @mflehmig--tu-dresden.de

assigned to @mflehmig--tu-dresden.de

assigned to @lazariv--tu-dresden.de and unassigned @mflehmig--tu-dresden.de

requested review from @lazariv--tu-dresden.de and removed review request for @mflehmig--tu-dresden.de

approved this merge request

merged

mentioned in commit 6389e7f0