Answer:
During the editing phase of the writing process, a writer's main focus is proofreading for errors.
Step-by-step explanation:
The writing process consists of many phases, the last one being the editing and proofreading phase. At this stage, the writer has already brainstormed, drafted, and elaborated on ideas. The work is practically done, but it needs polishing. At this point, the writer should focus on removing whatever is unnecessary, polishing vocabulary, watching out for wordiness and, of course, finding and correcting errors.