Update README.md

README.md

@@ -16,6 +16,9 @@ Once you have access to the model, remember to authenticate with Hugging Face as
 
 ## Usage
 
+Make sure you have the `peft` package installed. You can install it with `pip install peft`.
+
+
 ```python
 from transformers import AutoModelForCausalLM , AutoTokenizer