Update README.md

README.md

@@ -26,6 +26,8 @@ This is a trained model of a **PPO** agent playing **LunarLander-v2**
 using the [stable-baselines3 library](https://github.com/DLR-RM/stable-baselines3).
 
 ## Usage (with Stable-baselines3)
+
+```
 from stable_baselines3 import PPO
 from huggingface_sb3 import load_from_hub
 
@@ -39,6 +41,4 @@ checkpoint_path = load_from_hub(
 )
 
 
-model = PPO.load(checkpoint_path, device="cpu")
-```
-Test
+model = PPO.load(checkpoint_path, device="cpu")