update README.md

README.md

@@ -71,7 +71,7 @@ If you use this database in your research, please kindly cite our work:
 
 ```bibtex
 @article{jin2025nmrsolver,
-  title={NMR-Solver: Automated Structure Elucidation via Large-Scale Spectra Matching and Physics-Guided Fragment Optimization},
+  title={NMR-Solver: Automated Structure Elucidation via Large-Scale Spectral Matching and Physics-Guided Fragment Optimization},
   author={Jin, Yongqi and Wang, Jun-Jie and Xu, Fanjie and Ji, Xiaohong and Gao, Zhifeng and Zhang, Linfeng and Ke, Guolin and Zhu, Rong and E, Weinan},
   year={2025},
   journal={arXiv preprint arXiv:2509.00640}