As edwinksl already pointed out, all users above 2000 reputation (sorry for stealing that I don't see the numbers anymore) can review edits.
So reviews are done by the community, or to better quote whats on the reviews page written:
Ask Ubuntu is moderated by [you](http://blog.stackoverflow.com/2009/05/a-theory-of-moderation/).
Help your fellow members learn to use the site and raise the quality of Q&A by:
- Evaluating new posts
- Voting to close or reopen questions
- Reviewing suggested edits
Ask Ubuntu is moderated by you.
Help your fellow members learn to use the site and raise the quality of Q&A by:
- Evaluating new posts
- Voting to close or reopen questions
- Reviewing suggested edits
