Update README.md

README.md

@@ -105,7 +105,7 @@ Note: Data preprocessing is required before evaluation. Datasets must be downloa
 If you use PF-RPN in your research, please cite:
 ```bibtex
 @inproceedings{tang2026pf,
-  title={PF-RPN: Prompt-Free Region Proposal Network for Cross-Domain Open-Set Object Detection},
+  title={Prompt-Free Universal Region Proposal Network},
   author={Tang, Qihong and Liu, Changhan and Zhang, Shaofeng and Li, Wenbin and Fan, Qi and Gao, Yang},
   booktitle={CVPR},
   year={2026}