Update README.md

README.md

@@ -31,7 +31,7 @@ It is designed as a **plug-and-play module** to be combined with existing Vision
 - **Authors:** Alessio Chen, Simone Giovannini, Andrea Gemelli, Fabio Coppini, Simone Marinai  
 - **Affiliations:**  [Letxbe AI](https://letxbe.ai/), [University of Florence](https://www.unifi.it/it)
 - **License:** CC-BY-4.0  
-- **Paper:** ["Towards Reliable and Interpretable Document Question Answering via VLMs"]() by Alessio Chen et al.  
+- **Paper:** ["Towards Reliable and Interpretable Document Question Answering via VLMs"](https://arxiv.org/abs/2509.10129) by Alessio Chen et al.  
 
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