[ticket/11824] Fix comment wording

PHPBB3-11824
Merge remote-tracking branch 'imkingdavid/ticket/11824' into develop
Merge branch 'develop' of github.com:phpbb/phpbb3 into ticket/11832

# By David King
# Via David King (1) and Joas Schilling (1)
* 'develop' of github.com:phpbb/phpbb3:
  [ticket/11824] Fix comment wording