Update README.md

README.md

@@ -29,7 +29,7 @@ With ReasonEval, you can
 classification head for next-token prediction is replaced with a classification head for outputting the
 possibilities of each class of reasong steps.
 * **Language(s)**: English
-* **Paper**: [Evaluating Mathematical Reasoning Beyond Accuracy](https://arxiv.org/abs/2404.05692)
+* **Paper**: [Evaluating Mathematical Reasoning Beyond Accuracy](https://arxiv.org/pdf/2404.05692.pdf)
 * **Github**: [https://github.com/GAIR-NLP/ReasonEval](https://github.com/GAIR-NLP/ReasonEval)
 * **Finetuned from model**: [https://huggingface.co/EleutherAI/llemma_34b](https://huggingface.co/EleutherAI/llemma_34b)
 * **Fine-tuning Data**: [PRM800K](https://github.com/openai/prm800k)