Update metadata

README.md

@@ -30,7 +30,7 @@ dataset_info:
 train-eval-index:
   - config: default           # The dataset config name to use. Example for datasets without configs: default. Example for glue: sst2
     task: text-classification               # The task category name (same as task_category). Example: question-answering
-    task_id: binary_classification            # The AutoTrain task id. Example: extractive_question_answering
+    task_id: binary-classification            # The AutoTrain task id. Example: extractive_question_answering
     splits:
       #train_split: train            # The split to use for training. Example: train
       eval_split: train        # The split to use for evaluation. Example: test