fix train-eval

README.md

@@ -7360,8 +7360,8 @@ train-eval-index:
       train_split: train
       eval_split: test
     col_mapping:
-      ISCO_CODE_1: target
-      label: target
+      ESCO_DESCRIPTION: text
+      ISCO_CODE_4: target
     metrics:
       - type: accuracy
         name: Accuracy