Update README.md

README.md

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 ## Evaluation
 
-The evaluations are discussed in greater detail in the paper and the official repository. Here, we present only the graph illustrating how the model's performance improves as accuracy increases.
+The evaluations are discussed in greater detail in the paper and the [official repository](https://huggingface.co/IIC/RigoChat-7b-v2). Here, we present only the graph illustrating how the model's performance improves as scores increases.
 
 ![](./images/quantization_results.png)