Update README.md

README.md

@@ -53,7 +53,7 @@ The model expects a specific instruction format for translation. The following e
 First, ensure you have the necessary libraries installed:
 
 ```bash
-pip install torch transformers==4.55.0 vllm==0.10.0
+pip install torch transformers==4.55.0 vllm==0.10.0 unbabel-comet==2.2.2
 ```
 
 ### 2. Prompt Format and Decoding