This document provides instructions on how to write an effective cover letter. It discusses why cover letters are important for job applications. The key steps to writing a good cover letter are outlined, including researching the employer, writing an attention-grabbing subject line for email applications, and including a greeting, sales pitch, and closing. Common grammatical errors to avoid, such as run-on sentences and incorrect punctuation, are also covered. The document emphasizes the importance of proofreading and having others review the cover letter.