Absolutely the best thing to do if you can!
I figured the worst that could happen would be that I'd reinstall 4.1, because I didn't have another box, but neither did I have problems.
But if I'd had one, I sure would have done it your way.
An optimist sees the glass as half full.
A pessimist sees the glass as half empty.
A realist drinks it no matter how much there is.