Fixing header format for IAP

Random-MIT-Stuff.md

@@ -20,5 +20,5 @@ While there is the large and famous Z-Center / DuPont Center if you want to exce
 * Runs lots of events that you can join for free. This is especially fun for the winter.
 * They also have [super discounted IKON passes for skiing](https://mitoc.mit.edu/activities/skiing).
 
-## IAP
+### IAP
 Independent Activities Period (IAP) is a four-week period in January during which a tonne of random actibities will be help. While you could go on holiday to somewhere warm, if you find yourself at the lab doing research, take some time to do weird activities like learning pottery or building your own bike from scratch.