I’ve broken my little toe twice. It sounds like a very minor injury, and it really is, but it wouldn’t hurt for him to get it x-rayed and then keep an eye on it. There’s not much they can do, both times what they had me do was basically use the toe next to it a sort of a splint, put a little cotton between the toes and tape them together until the broken toe heals. But the second time I broke the toe, the break was bad enough that the doctor told me that it if didn’t heal properly I would have to have surgery, to pin the broken bit back onto the toe. It really is a relatively minor injury, but you should keep an eye on it because if the break doesn’t heal properly it will cause problems down the road, maybe years down the road, but you only get two feet per lifetime. Though I know people who have broken all sorts of little bits of their bodies and are fine, so far.