The document provides tips for proofreading written work to catch errors before submitting. It recommends:
1. Proofreading the final draft carefully, either sentence-by-sentence or paragraph-by-paragraph.
2. Proofreading the entire paper again before printing the final version.
3. Specific proofreading techniques include reading aloud slowly, having another person proofread, reading backwards, and using spellcheck and grammar check cautiously.
Common errors to watch for involve sentences, commas, homonyms, spelling, transposed letters, similar words, and capitalization. Proofreading is important to create a clearer, more correct paper.