Update README.md

README.md

@@ -8,4 +8,5 @@ DeepRetrieval is a novel approach that uses reinforcement learning (RL) to train
 - **RL-Based Framework**: Uses reinforcement learning to optimize query generation directly for retrieval performance
 - **State-of-the-Art Performance**: Achieves remarkable results across diverse retrieval tasks
 
-Please view our [GitHub page](https://github.com/pat-jj/DeepRetrieval) for instructions.
+Please view our [GitHub page](https://github.com/pat-jj/DeepRetrieval) for instructions.
+DeepRetrieval Paper: arxiv.org/abs/2503.00223