Proofreading your own work is hard. It's your words, so it's hard to spot the errors. One way to make your work look different is to change the font.
Photo by Bev Sykes
We all hate the infamous Comic Sans, but proofreading with a different font could help you improve your writing. You'll see your words in a different way and might pick up on additional errors you'd otherwise miss. Just remember to change it back to a professional font before submitting your work.
We've mentioned this idea before, but it's definitely deserving of a repeat and a useful addition to your proofreading arsenal. Check out the link for other tips proofreading your own work.