Update README.md

README.md

@@ -77,7 +77,7 @@ See the associated [GitHub Repo](https://github.com/facebookresearch/XLM#ii-cros
 
 ## Testing Data, Factors & Metrics
 
-See the [associated paper](https://arxiv.org/pdf/1901.07291.pdf) for details on the testing data, factors and metrics.
+The model developers evaluated the model on the [WMT'14 French-English](https://huggingface.co/datasets/wmt14) dataset using the [BLEU metric](https://huggingface.co/spaces/evaluate-metric/bleu). See the [associated paper](https://arxiv.org/pdf/1901.07291.pdf) for further details on the testing data, factors and metrics.
 
 ## Results