How do I make someone a moderator?

[BrendanBurgess]

I have read and reread all the help bits and I am missing the blindingly obvious - how do I make a user a moderator or supermoderator?

[Guy G]

I have read and reread all the help bits and I am missing the blindingly obvious - how do I make a user a moderator or supermoderator?
ACP --> Forums & Moderators --> Forum Manager --Add New Moderator (on a dropdown menu)