[ticket/12106] Adds a explaination that admin/mods still able to use the board

PHPBB3-12106
[ticket/12106] Combined first and second sentence

PHPBB3-12106
Merge pull request #2105 from Crizz0/ticket/12106

[ticket/12106] Adds a explaination that admin/mods still able to use the...
Merge remote-tracking branch 'remotes/upstream/develop-olympus' into develop

* remotes/upstream/develop-olympus:
  [ticket/12106] Combined first and second sentence
  [ticket/12106] Adds a explaination that admin/mods still able to use the board

Conflicts:
	phpBB/language/en/acp/board.php