Update README.md

README.md

@@ -81,9 +81,11 @@ If you use HiFi-KPI in your research, please cite:
 ```
 @article{aavang2025hifi,
   title={HiFi-KPI: A Dataset for Hierarchical KPI Extraction from Earnings Filings},
-  author={Rasmus Aavang and Giovanni Rizzi and Rasmus Bøggild and Alexandre Iolov and Mike Zhang and Johannes Bjerva}
+  author={Aavang, Rasmus and Rizzi, Giovanni and Bøggild, Rasmus and Iolov, Alexandre and Zhang, Mike and Bjerva, Johannes},
+  journal={arXiv preprint arXiv:2502.15411},
   year={2025}
 }
+
 ```
 
 ## Access