Update README.md

README.md

@@ -26,10 +26,15 @@ using the [stable-baselines3 library](https://github.com/DLR-RM/stable-baselines
 and the [RL Zoo](https://github.com/DLR-RM/rl-baselines3-zoo)
 
 ## Usage (with SB3 RL Zoo)
+
+RL Zoo: https://github.com/DLR-RM/rl-baselines3-zoo<br/>
+SB3: https://github.com/DLR-RM/stable-baselines3<br/>
+SB3 Contrib: https://github.com/Stable-Baselines-Team/stable-baselines3-contrib
+
 ```
 # Download model and save it into the logs/ folder
 python -m utils.load_from_hub --algo ppo --env CartPole-v1 -orga sb3 -f logs/
-python enjoy --algo ppo --env CartPole-v1  -f logs/
+python enjoy.py --algo ppo --env CartPole-v1  -f logs/
 ```
 
 ## Training (with the RL Zoo)