Update README.md

README.md

@@ -77,13 +77,11 @@ print(helpsteer_rewards_pred)
 **BibTeX:**
 If you find this work useful to your research, please consider citing our paper
 ```
-@article{wang2024arithmetic,
+@inproceedings{wang2024arithmetic,
       title={Arithmetic Control of LLMs for Diverse User Preferences: Directional Preference Alignment with Multi-Objective Rewards}, 
       author={Haoxiang Wang and Yong Lin and Wei Xiong and Rui Yang and Shizhe Diao and Shuang Qiu and Han Zhao and Tong Zhang},
       year={2024},
-      eprint={2402.18571},
-      archivePrefix={arXiv},
-      primaryClass={cs.LG}
+      booktitle={ACL},
 }
 ```