Take a day or two off before beginning to edit your dissertation. This will give you a fresh perspective on your work. After that, divide your dissertation into manageable sections and make necessary edits. Read aloud and hear how other people see your work. Additionally, look for difficult wording and make corrections as you go. If you run into any issues, you can also hire dissertation proofreaders. Take note of everything, including sentence structure, syntax, punctuation, and grammar mistakes. Make sure your ideas are presented clearly and logically. Even asking for input is an option.