This document discusses why authors should revise their manuscripts before submitting to medical editors. It explains that manuscript revision involves re-reading the draft to make improvements, which can range from small fixes to large reorganizations. Revision is done by the author, while editing involves hiring a professional to further enhance clarity and readability. The document provides tips for revision, such as understanding the target audience and journal, checking formatting guidelines, and getting feedback from others. It emphasizes that taking the time to revise improves the chances of manuscript acceptance.