Update README.md

README.md

@@ -80,6 +80,8 @@ We generated this dataset by filtering the BookCorpus dataset, leaving only entr
 
 <!-- If there is a paper or blog post introducing the dataset, the APA and Bibtex information for that should go in this section. -->
 
+This dataset has been originally introduced as part of [GRADIEND](https://arxiv.org/abs/2502.01406), though it has not been used in the final version of the paper (but e.g., in version [v2](https://arxiv.org/abs/2502.01406v2)), as it was generalized to a more general *bias neutral* dataset [BIASNEUTRAL](https://huggingface.co/datasets/aieng-lab/biasneutral).
+
 **BibTeX:**
 
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