Update README.md

README.md

@@ -6,7 +6,7 @@ language:
 - va
 size_categories:
 - 10K<n<100K
-license: apache-2.0
+license: cc-by-4.0
 configs:
 - config_name: default
   data_files:
@@ -106,4 +106,4 @@ The University of Alicante, as the owner and creator of the dataset, shall not b
 
 ## 📜 License
 
-[Apache License, Version 2.0](https://www.apache.org/licenses/LICENSE-2.0)
+This work is licensed under a [Creative Commons Attribution 4.0 International (CC BY 4.0)](https://creativecommons.org/licenses/by/4.0/) licence.