<span>to help you identify specific issues while making revisions
The reason is: when you revise, you want to correct multiple things, for example: grammar, repeated vocabulary, wrong order of sentences, bad ideas, punctuation... you could choose one colour for each of those issues - this colour coding would help your in your writing process!</span>
During this stage, you look for and correct any mistakes you may have made, and/or change a few things to make the writing flow better. Hope this helps you!