fix syntax

README.md

@@ -158,7 +158,7 @@ First, from the command line, install `MolFlux` library with `catboost` and `rdk
 then load, featurize, split, fit, and evaluate the catboost model
 
     import json
-    from datasets import load_set
+    from datasets import load_dataset
     from molflux.datasets import featurise_dataset
     from molflux.features import load_from_dicts as load_representations_from_dicts
     from molflux.splits import load_from_dict as load_split_from_dict