Sites like Grammarly, Scribens, or the spelling and grammar features included in your word processor are useful tools, but can fall short with some of the more nuanced aspects of language and grammar. We can mistype and create a word that, while spelled correctly, is not the one we intended. Word processor features can autocorrect a word or phrase, changing the name of a character or a location that the dictionary did not recognize. Only a copy editor can look at your manuscript with both a technical and human eye.