I carefully review written material to identify and correct errors in grammar, spelling, punctuation, and formatting. I typically the final step in the editing process, and it helps to ensure that the written work is polished and error-free. Proofreading can be done on a variety of written materials, including academic papers, articles, novels, and business documents. It is an important step in the writing process, as it helps to ensure that the final product is of high quality and free of mistakes.