Update README.md

README.md

@@ -295,12 +295,13 @@ We welcome collaborations from:
 ### Primary Citation
 ```bibtex
 @software{pins2025,
-  title={PiNS: Point-driven Nodule Segmentation Toolkit for Quantitative CT Analysis},
+  title={PiNS: Point-driven Nodule Segmentation Toolkit },
   author={Fakrul Islam Tushar},
   year={2025},
   url={https://github.com/fitushar/PiNS},
   version={1.0.0},
-  doi={10.5281/zenodo.17171571}
+  doi={10.5281/zenodo.17171571},
+  license={CC-BY-NC-4.0}
 }
 ```