I get it. Makes me crazy if I don't end up with perfect scores. I will admit I refuse to take a shop which only requires I walk across the street, because I can't get past the editor.
When I contacted the editor to find out what was wrong. The answer given wasn't correct. I always save copies of my reports. I stupidly tried to fight it and the next month I received the lowest score ever for any of my reports. I decided I didn't need the $7.
I strive to do my best for all my shops. If I get less than perfect for scores, I try to shake it off. I do reread my reports to try to figure out what I did wrong.
The other day I was lucky enough to be sitting next to a retired English teacher. I offered up a sample. She pointed out all the grammatical errors I've always made. Then she gave me some insight how to quit repeating the same mistakes.
She also admitted, sometimes it comes down to your writing style. Written English is governed by grammar but it's also subjective. When I asked how to get past the subjective? Her answer was get transferred to a different professor.
My advice is shake it off. 9 is a great score.
Live your life in such a way that when your feet hit the floor in the morning; the devil shudders...And yells OH #%*+! SHE'S AWAKE!