would anyone be able to provide some guidance on how to repair this peeling varnish on my hardwood floors? i assume i can just sand it down and try to feather it in to the outside portions of the coating?(i have a small can of the stuff leftover) eventually im going to have to get my floors redone in the future since the guy i hired to do it like 4 years ago did a horrible job of it but i would just like to temp fix up some spots that look like this because it just sticks out like a sore thumb