Accidentally scuffed hardwood floor while sanding the baseboards

Q: I recently redecorated a room that needed the baseboards sanded down. I put protection down for the floor, but to my horror when I lifted up the paper I had sanded some of my wood floor too. Now I have white scuff/sand marks in my floor around the baseboards.

How can I get rid of the marks so that it looks better? Anything will look better than it does at the moment.

A: I think I would try just touching these scuffed areas with polyurethane dabbed on a rag to see if it will at least put some colour back into the surface of the finish.