Update README.md

README.md

@@ -9,7 +9,7 @@ size_categories:
 configs:
 - config_name: default
   data_files:
-  - split: train
+  - split: trajectories
     path: 
     - "minari_export/minari_MPC/data/dataset.json"
     - "minari_export/minari_Rule/data/dataset.json"