Update README.md

README.md

@@ -5,6 +5,8 @@ multilinguality:
 - monolingual
 task_categories:
 - text-retrieval
+source_datasets:
+- scifact
 task_ids:
 - document-retrieval
 config_names:
@@ -22,7 +24,11 @@ dataset_info:
         dtype: float64
     splits:
       - name: train
+        num_bytes: 24585
+        num_examples: 919
       - name: test
+        num_bytes: 9092
+        num_examples: 339
   - config_name: corpus
     features:
       - name: _id