I know what you want to do. You want to give them a break. BUT, you established grading standards for the entire class. It would be unfair to treat this student differently from the rest. And you can be penalized for doing so.

I know what you want to do. You want to give them a break. BUT, you established grading standards for the entire class. It would be unfair to treat this student differently from the rest. And you can be penalized for doing so. If you don't want to enforce your own standard, then you should create a new one for the next class. But you must enforce the one you established for this class.