Update README.md

README.md

@@ -1,14 +1,14 @@
-
 ---
 configs:
 - config_name: default
   data_files:
   - split: train
-    path: 'train_data.csv'
+    path: train_data.csv
   - split: validation
-    path: 'valid_data.csv'
+    path: valid_data.csv
   - split: test
-    path: 'test_data.csv'
+    path: test_data.csv
+license: cc-by-sa-4.0
 ---
 
 Dataset Card for ESol (Estimated Solubility) Dataset