Update README.md

README.md

@@ -9,7 +9,7 @@ This repo contains the models for "eCeLLM: Generalizing Large Language Models fo
 
 ## eCeLLM Models
 Leveraging ECInstruct, we develop eCeLLM by instruction tuning general-purpose LLMs (base models).
-The eCeLLM-L model is instruction-tuned from the large base models [Llama-2 13B-chat](https://arxiv.org/abs/2307.09288).
+The eCeLLM-L model is instruction-tuned from the large base models [Llama-2 13B-chat](https://huggingface.co/meta-llama/Llama-2-13b-chat-hf).
 
 ## Citation
 ```bibtex