Updated Arxiv button with correct link

Author: imbesat-rizvi

README.md

@@ -1,5 +1,5 @@
 # SPARE: Single-Pass Annotation with Reference-Guided Evaluation for Automatic Process Supervision and Reward Modelling
-[![Arxiv](https://img.shields.io/badge/Arxiv-YYMM.NNNNN-red?style=flat-square&logo=arxiv&logoColor=white)](https://arxiv.org/abs/2506.15498)
+[![Arxiv](https://img.shields.io/badge/Arxiv-2506.15498-red?style=flat-square&logo=arxiv&logoColor=white)](https://arxiv.org/abs/2506.15498)
 [![Hugging Face Model](https://img.shields.io/badge/HuggingFace-Model-yellow)](https://huggingface.co/UKPLab/Llama-3-8b-spare-prm-math)
 [![License](https://img.shields.io/badge/License-Apache_2.0-blue.svg)](https://www.apache.org/licenses/LICENSE-2.0)
 [![Python Versions](https://img.shields.io/badge/Python-3.10-blue.svg?style=flat&logo=python&logoColor=white)](https://www.python.org/)