[ticket/12748] Fix typo in terms of use

PHPBB3-12748
Merge pull request #2755 from Elsensee/ticket/12748

[ticket/12748] Fix typo in terms of use

* Elsensee/ticket/12748:
  [ticket/12748] Fix typo in terms of use
Merge branch 'develop-ascraeus' into develop

* develop-ascraeus:
  [ticket/12748] Fix typo in terms of use