[ticket/11357] Correcting invalid markup

PHPBB3-11357
Merge remote-tracking branch 'geetakshi/ticket/11357' into develop-ascraeus

* geetakshi/ticket/11357:
  [ticket/11357] Correcting invalid markup
Merge branch 'develop-ascraeus' into develop

* develop-ascraeus:
  [ticket/11357] Correcting invalid markup