Fix licence: OHCHR data is freely shared without restriction, not CC BY 4.0

README.md

@@ -2,6 +2,7 @@
 language:
 - en
 license: cc-by-nc-4.0
+license_details: "Source data (OHCHR UHRI) is shared freely and without restriction per https://uhri.ohchr.org/en/our-data-api. This derived dataset (cleaning pipeline, normalisation, metadata) is released under CC BY-NC 4.0."
 task_categories:
 - text-classification
 - text-retrieval
@@ -139,6 +140,6 @@ Features: boolean + wildcard + FTS5 stemmed search, per-country profiles, hex ma
 
 ## Licence
 
-Dataset content © OHCHR, originally released under [CC BY 4.0](https://creativecommons.org/licenses/by/4.0/).  
+Source data © OHCHR — shared freely and without restriction per the [UHRI data policy](https://uhri.ohchr.org/en/our-data-api).  
 Cleaning pipeline, normalisation, Stage 4 country backfill, and all metadata additions © L. Szoszkiewicz (Adam Mickiewicz University, Poznań), released under [CC BY-NC 4.0](https://creativecommons.org/licenses/by-nc/4.0/) — free for research and education, commercial use requires permission.
 Cleaning pipeline and metadata additions © L. Szoszkiewicz (Adam Mickiewicz University, Poznań).