Originally Posted by yonnikka
I snipped the edge while adding the binding (I was trying to square up the top with my rotary cutter) and my repair was to applique with tiny hand stitching some of the same backing fabric over, using very tiny hidden stitches. Match the pattern as best you can.
I would slip a piece of matching fabric behind and use tiny stitches to mend as you said, then use a little fray check.