Update README.md

README.md

@@ -26,6 +26,7 @@ configs:
   data_files:
   - split: train
     path: data/train-*
+license: cc-by-nc-sa-4.0
 ---
 ## Arxiver Dataset
 Arxiver consists of 138,830 [arXiv](https://arxiv.org/) papers converted to multi-markdown (**.mmd**) format. Our dataset includes original arXiv article IDs, titles, abstracts, authors, publication dates, URLs and corresponding markdown files published between January 2023 and October 2023.
@@ -55,7 +56,7 @@ print(next(iter(dataset['train'])))
 ```
 
 ## References
-The original articles are maintained by [arXiv](https://arxiv.org/). If you use this dataset in your research or project, please cite it as follows:
+The original articles are maintained by [arXiv](https://arxiv.org/) and copyrighted to the original authors, please refer to the arXiv license information [page](https://info.arxiv.org/help/license/index.html) for details. We release our dataset with a Creative Commons Attribution-Noncommercial-ShareAlike (CC BY-NC-SA 4.0) license, if you use this dataset in your research or project, please cite it as follows:
 ```
 @misc{acar_arxiver2024,
   author = {Alican Acar, Alara Dirik, Muhammet Hatipoglu},