Update README.md

README.md

@@ -1,6 +1,6 @@
 ---
-license: other
-license_name: ai2-impact
+license: cc
+license_name: cc-by-sa-4.0
 license_link: https://allenai.org/licenses/impact-mr
 ---
 
@@ -23,6 +23,4 @@ Please cite the paper if you find them useful:
   year = {2024},
   url = {https://openreview.net/forum?id=mM7VurbA4r},
 }
-```
-
-
+```