Update README.md

Author: lchu6

training/README.md

@@ -4,7 +4,7 @@ We trained our Bamba model with FSDP using our training repo [here](https://gith
 Note that this training effort was started before FSDP2 and also long before we contributed
 `Mamba2-Hybrid` to HF, so we were doing FSDP1 training with [official Mamba implementation](https://github.com/state-spaces/mamba).
 For users trying to reproduce the training you now have much more options with our newly
-contributed [HF-version of Mamba2-Hybrid]() (will update this link soon!).
+contributed [HF-version of Mamba2-Hybrid](https://github.com/huggingface/transformers/tree/main/src/transformers/models/bamba).
 
 Here are the setup details and command on how you can train the model: