It happens. It's not good, but it's not the end of the world. There is a possibility of infection, but the odds are slim. You'll just have to wait it out to see what happens, but I'd be willing to bet that it'll be just fine.
I might be a little bit more anal about my process than I really need to be, but I'll occasionaly spray my hands with Star San. I keep a spray bottle handy for that, and other last second sanitation issues.