fix pre-commit

Author: ffelten

CITATION.bib

@@ -1,9 +1,9 @@
 @misc{felten2024momaland,
-      title={MOMAland: A Set of Benchmarks for Multi-Objective Multi-Agent Reinforcement Learning}, 
+      title={MOMAland: A Set of Benchmarks for Multi-Objective Multi-Agent Reinforcement Learning},
       author={Florian Felten and Umut Ucak and Hicham Azmani and Gao Peng and Willem Röpke and Hendrik Baier and Patrick Mannion and Diederik M. Roijers and Jordan K. Terry and El-Ghazali Talbi and Grégoire Danoy and Ann Nowé and Roxana Rădulescu},
       year={2024},
       eprint={2407.16312},
       archivePrefix={arXiv},
       primaryClass={cs.MA},
-      url={https://arxiv.org/abs/2407.16312}, 
-}
+      url={https://arxiv.org/abs/2407.16312},
+}

README.md

@@ -103,13 +103,13 @@ Maintenance for this project is also contributed by the broader Farama team: [fa
 If you use this repository in your research, please cite:
 ```bibtex
 @misc{felten2024momaland,
-      title={MOMAland: A Set of Benchmarks for Multi-Objective Multi-Agent Reinforcement Learning}, 
+      title={MOMAland: A Set of Benchmarks for Multi-Objective Multi-Agent Reinforcement Learning},
       author={Florian Felten and Umut Ucak and Hicham Azmani and Gao Peng and Willem Röpke and Hendrik Baier and Patrick Mannion and Diederik M. Roijers and Jordan K. Terry and El-Ghazali Talbi and Grégoire Danoy and Ann Nowé and Roxana Rădulescu},
       year={2024},
       eprint={2407.16312},
       archivePrefix={arXiv},
       primaryClass={cs.MA},
-      url={https://arxiv.org/abs/2407.16312}, 
+      url={https://arxiv.org/abs/2407.16312},
 }
 ```
 <!-- end citation -->