Update README.md

README.md

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 ```
 
 ## Evaluation
-For details on the evaluation, please refer to Section 4.1 of the paper. 
+
+We present the results on the [MGSM-JA](https://huggingface.co/datasets/juletxara/mgsm) test set that compares the performance of the our evolved LLMs compared to the source LLMs. For details on the evaluation, please refer to Section 4.1 of the paper. 
 
 If you want to reproduce the results, please see [our Github repository](https://github.com/SakanaAI/evolutionary-model-merge).