Update README.md

README.md

@@ -33,10 +33,11 @@ A curated subset of the [epfml/FineWeb2-HQ](https://huggingface.co/datasets/epfm
 
 ## Details
 
-- First 25 000 rows per config
+- First 25 000 rows per config (language and script pair)
 - Duplicates removed
 - Texts truncated to 512 LLaMA 3.1 tokens
 - Scores transformed with log10
+- Rows shuffled and 20% of the rows split into the test set (stratified by config)
 
 ## Example