Update README.md

README.md

@@ -30,10 +30,10 @@ This is a copy of the [MS^2](https://huggingface.co/datasets/allenai/mslr2022) d
 - __query__: The `background` field of each example
 - __corpus__: The union of all documents in the `train`, `validation` and `test` splits. A document is the concatenation of the `title` and `abstract`.
 - __retriever__: BM25 via [PyTerrier](https://pyterrier.readthedocs.io/en/latest/) with default settings
-- __top-k strategy__: `"mean"`, i.e. the number of documents retrieved, `k`, is set as the mean number of documents seen across examples in this dataset
+- __top-k strategy__: `"mean"`, i.e. the number of documents retrieved, `k`, is set as the mean number of documents seen across examples in this dataset, in this case `k==17`
 
 Retrieval results on the `validation` set:
 
-|ndcg | recall@100 | recall@1000 | Rprec |
+| Recall@100 | Rprec | Precision@k | Recall@k |
 | ----------- | ----------- | ----------- | ----------- |
-| 0.4012 | 0.3780 | 0.6601 | 0.1833 |
+| 0.3780 | 0.1827 | 0.1815 | 0.1792 |