Proofreading – Make a checklist. Often when proofreading internally, it's easy to assume that proofreading is a quick process and involves simply glancing at the document. But it's much more than that. That's why the first thing to do is to establish an internal checklist based on your organization's style guide. Why proofreading is important. Consumers pay attention and care about whether a company uses proper grammar and spelling. Here are the facts, based on a Tidio study: 96.5 of respondents said that grammatical mistakes influence a person's image. 97.2 said that grammatical errors influence a company's image. Proofreading is the process of reading, editing, and revising the final version of any written text. This important process ensures the internal structure and consistency, literary coherence and syntactic correctness of the grammar. One of the best proofreading techniques is to read the document out loud. Grammatical errors tend to stand out. Whichever system suits you, it is of course the best. However, here are some tips that should make the process easier: 1. Print out a copy of the novel and mark it up. Having a hard copy in front of you allows you to not only make line-by-line changes as needed, but also to note questions for later, make comments on consistency or style.