Me I would keep an eye on things and react immediately if there are any problems. Stings might cause allergic reactions like swelling of soft tissues causing breathing difficulties, but that is rare. Keep your eye on him, and if you see any problems like that get to the Vet ASAP. If not, just see how he goes ... If he is no uncomfortable, it should be fine.
Could also be an abscess coming up ... another option to keep an eye out for.