If you are writing home based (assignment) essay, you should revise and edit it at least two times to improve the coherency, arguments and grammatical mistakes in your essay. You should also check for illogical sentences in it. Word processors make it easy to modify your drafts. You should write 2 or 3 rough drafts before writing the final copy of your essay.

Grammatical, style and punctuation mistakes are common occurrences while writing the first draft of the essay and correcting these three components is essential to secure good marks for your essay. You can also use grammatical and spelling error detection tools to improve your essay. But you must not be solely dependent on these tools as they can fail in recognizing the context of your essay and May suggest wrong corrections.

Other than using computer tools, you can also take service of a proofreader to edit your essay.