Update README.md

README.md

@@ -183,7 +183,7 @@ print(f"Episode finished — evacuated={obs.agent_evacuated}  reward={total_rewa
 ## Environment & training resources
 
 - **HF Space (live env)**: [Krooz/pyre_env](https://huggingface.co/spaces/Krooz/pyre_env)
-- **PPO training in Colab (HTTP to Space)**: [Pyre PPO training — Google Colab](https://colab.research.google.com/drive/1ojC55qKXMVRXdjKeG5dUHiA5RBOBxA9V?usp=sharing)
+- **PPO training in Colab (HTTP to Space)**: [Pyre PPO training — Google Colab](https://colab.research.google.com/drive/1JPIajg0BAKEriNAwgGRnN7LXEcyCeiEV?usp=sharing)
 - **Local HTTP trainer**: ``training/ppo/train_torch_ppo_http.py``
 - **Local in-process trainer**: ``training/ppo/train_torch_ppo.py``
 - **Notebook source**: ``training/ppo/pyre_ppo_training.ipynb``