Update README.md

README.md

@@ -108,15 +108,15 @@ and inspecting the loaded dataset
     >>> MolData
     DatasetDict({
     train: Dataset({
-        features: ['SMILES', 'PUBCHEM_CID', 'split', 'AID', 'Y'],
+        features: ['SMILES', 'PUBCHEM_CID', 'PUBCHEM_AID', 'Y'],
         num_rows: 138547273
     })
     test: Dataset({
-        features: ['SMILES', 'PUBCHEM_CID', 'split', 'AID', 'Y'],
+        features: ['SMILES', 'PUBCHEM_CID', 'PUBCHEM_AID', 'Y'],
         num_rows: 17069726
     })
     validation: Dataset({
-        features: ['SMILES', 'PUBCHEM_CID', 'split', 'AID', 'Y'],
+        features: ['SMILES', 'PUBCHEM_CID', 'PUBCHEM_AID', 'Y'],
         num_rows: 12728449
     })
 })