updated for guided/unguided terminology

README.md

@@ -340,8 +340,8 @@ A set of examples where you can see the attack in remix or practice it in a game
 Now, "Invariant Breaks" isn't exactly a class of bug, however it's important to know about and use when it comes to hacks. We look at 3 different methods for attempting to break invariants.
 
 1. Stateless Fuzzing (Easiest)
-2. Stateful Fuzzing - Open (A little harder)
-2. Stateful Fuzzing - Handler method (Harder)
+2. Stateful Fuzzing - Open / Unguided (A little harder)
+2. Stateful Fuzzing - Handler method / Guided (Harder)
 3. Formal Verification w/ [Halmos](https://github.com/a16z/halmos/tree/main) (Hardest)
 
 See more in [./src/invariant-break/README.md](./src/invariant-break/README.md)