Update README.md

README.md

@@ -71,11 +71,9 @@ If you use this dataset, please cite our work.
   title        = {MathBode: Frequency-Domain Fingerprints of LLM Mathematical Reasoning},
   author       = {Charles L. Wang},
   year         = {2025},
-  month        = {sep},
   eprint       = {2509.23143},
   archivePrefix= {arXiv},
   primaryClass = {cs.AI},
-  doi          = {10.48550/arXiv.2509.23143},
   url          = {https://arxiv.org/abs/2509.23143}
 }
 ```