diff --git a/Running Start/CSB320 - Machine Learning Concepts/Class 6-4 (Reinforcement Learning).md b/Running Start/CSB320 - Machine Learning Concepts/Class 6-4 (Reinforcement Learning).md
index 4dce4b2..f7fbed2 100644
--- a/Running Start/CSB320 - Machine Learning Concepts/Class 6-4 (Reinforcement Learning).md	
+++ b/Running Start/CSB320 - Machine Learning Concepts/Class 6-4 (Reinforcement Learning).md	
@@ -17,4 +17,7 @@
 - markov decision process
 	- future states only depend on the present state, not what came before
 	- trying to maximize reward without knowing entire history
-	- 
\ No newline at end of file
+- monte-carlo
+	- updates model after every episode
+- temporal difference 
+	- learns after every step, not every episode
\ No newline at end of file