Revision
Proofreading
noun, する verb
An inspection you make of your homework before school is a revision. Sometimes proofreading will help you find mistakes before you hand it in too. Just make sure you look everything over.
こうえつ
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
原稿を校閲してもらえませんか。
Could you revise my manuscript for me?