It doesn't help now but:

I've done this so often that I now use Avery (or any other brand) Removable multi-use labels. They don't leave adhesive on the camera and you can put the film type on almost any surface without damaging it. I usually put it on the bottom plate. 1000 5/8"X7/8" labels are cheap, just a few $. Good luck with the film. Now if I would only set my ISO before metering.