Update README.md

README.md

@@ -33,17 +33,15 @@ PPM is a binary image format. If you need PNG format, we provide conversion code
 I have full parameter information for each trajectory. If you need other parameter information, such as IMU, detailed drone parameters, etc., you can contact me by email at any time.
 
 ## Cite
-U2UData-2^[1]
-
 @inproceedings{feng2025u2udata2scalableswarmuavs,
 
-title={U2UData-2: A Scalable Swarm UAVs Autonomous Flight Dataset for Long-horizon Tasks}, 
+    title={U2UData-2: A Scalable Swarm UAVs Autonomous Flight Dataset for Long-horizon Tasks}, 
 
-author={Tongtong Feng and Xin Wang and Feilin Han and Leping Zhang and Wenwu Zhu},
+    author={Tongtong Feng and Xin Wang and Feilin Han and Leping Zhang and Wenwu Zhu},
 
-year={2025},
+    year={2025},
 
-url={https://arxiv.org/abs/2509.00055}
+    url={https://arxiv.org/abs/2509.00055}
 
 }