What they should do:
Make sure all of the topics (ideas, content, etc) relates and flows well
Add a differnent perspective to the topic that can help you, one you may have missed
Note major grammer issues-possibly line-edit draft
Original claim is evident
See that all elements are included in analysis (rhetor, audience--possibly exigence, constraints)
Suggestions about diction, does it help the argument (word choice, tone, style)
Watch for repitition (major)

One page-single spaced (block paragraph)
Be honest--not nice!