How do I tell my bf I have HPV?

I found out this week that I have low-grade HPV. Obviously this is an STD but it should go away on its own according to my doctor. I have been with my bf for 10 months and only 1 other guy before him. We only see each other on weekends and I don't think I should text him about it. How am I supposed to tell him that I have an STD without freaking him out?