Update README.md

README.md

@@ -21,7 +21,7 @@ paperswithcode_id: multi-xscience
 pretty_name: Multi-XScience
 ---
 
-This is a copy of the [Multi-XScience](https://huggingface.co/datasets/multi_x_science_sum) dataset, except the input source documents of its `test` split have been replaced by a __dense__ retriever. The retrieval pipeline used:
+This is a copy of the [Multi-XScience](https://huggingface.co/datasets/multi_x_science_sum) dataset, except the input source documents of the `train`, `validation`, and `test` splits have been replaced by a __dense__ retriever. The retrieval pipeline used:
 
 - __query__: The `related_work` field of each example
 - __corpus__: The union of all documents in the `train`, `validation` and `test` splits