The last stage of revisions, proofreading ensures that the manuscript is free of errors in spelling, grammar, formatting, word usage, and punctuation. It does not include suggestions to improve clarity or conciseness of writing.

Original: Brian waves showed increased activity in more then half of the subjects after duel treatment.. Future studies should examine the treatment’s roll in increasing the heat rate.

Edit: Brain waves showed increased activity in more than half of the subjects after dual treatment. Future studies should examine the treatment’s role in increasing the heart rate.