This document provides guidance on proofreading written work by identifying common errors and how to check for them. It discusses checking for consistent verb forms, maintaining consistency in bullet point lists, ensuring personal pronouns and possessives agree with their nouns, being careful with irregular plural nouns, and allowing time between drafts to thoroughly check one's work. Key areas to check include verb forms, list consistency, pronoun and possessive agreement, irregular plurals, and utilizing spell check. Taking care with these areas can help improve the quality of one's writing.