Update README.md

README.md

@@ -6,4 +6,4 @@ license: cc-by-nc-4.0
 
 Data were generated with OpenAI API (gpt-4) and this dataset is therefore subject to their ToS, meaning non-commercial.  I've put cc-nc as the license but it's probably better classified as "special/other"
 
-aioroboros data and models are intended and licensed for research use only. The dataset is CC BY NC 3.0 (allowing only non-commercial use) and models trained using the dataset should not be used outside of research purposes.
+aioroboros data and models are intended and licensed for research use only. The dataset is CC BY NC 4.0 (allowing only non-commercial use) and models trained using the dataset should not be used outside of research purposes.