Update README.md

README.md

@@ -45,9 +45,10 @@ license: cc-by-2.0
 
 If you use this dataset, please cite:
 
-```@article{rahman2025large,
+```bibtex
+@article{rahman2025large,
   title={A Large-scale Class-level Benchmark Dataset for Code Generation with LLMs},
   author={Rahman, Musfiqur and Khatoonabadi, SayedHassan and Shihab, Emad},
   journal={arXiv preprint arXiv:2504.15564},
   year={2025}
-}```
+}