Proofreading is the process of reviewing written text to identify and correct errors in grammar, spelling, punctuation, and formatting. It ensures that the final document is clear, accurate, and free of mistakes. This step is crucial in various contexts, including academic papers, business reports, and published materials, as it enhances the overall quality of the writing. A proofreader typically reads the text multiple times, focusing on different aspects during each pass. Tools like spell checkers can assist, but human oversight is essential for catching nuanced errors. Effective proofreading contributes to better communication and professionalism in written work.