As mentioned, this part of your application can be used to decide whether a school wants to invite you for an interview or not. Schools only accept students who have been invited for interviews, so getting to this step is a huge part of the process.
Revising and proofreading _ Upon examining your essay and discovering a few unwanted elements or grammatical mistakes, it is now time to start revising it. First, search for grammatical mistakes and spelling errors. The prompts in most MS Windows programs help you identify these (green squiggles for grammatical mistakes and red squiggles for spelling errors). As long as they do not appear under proper names, it is safe to modify them. However, do not rely exclusively on your computer for spell checks. Go over each word on your own.