Update README.md

README.md

@@ -27,9 +27,8 @@ python main.py -t ti -m hcp4 -p motor
 ```
 You will get two files in the "Output" folder. In the first line of the "fitness" file, you may see values such as 1.972386587771203 1.819407772791436506e-01, which represent the two objectives defined in util.py. In the first line of the "in" file, you may see values such as 46 1.0 2 -1.0 74 1.0 23 -1.0, indicating that the Cp2 channel (47th row in "hcp4.csv") injects 1 mA and so on. For HD-based methods, the currents for all channels are displayed.
 
-###Citation
-If you find this code useful for your research, please consider citing the following paper:
-[Reference to the paper, if applicable]
+### Citation
+If you find this code useful for your research, please consider citing the following paper: https://doi.org/10.48550/arXiv.2211.05658
 
 ### Contact
 For any questions or issues related to this implementation, please contact the authors