Fix task tags

README.md

@@ -12,6 +12,8 @@ task_categories:
 - token-classification
 task_ids:
 - named-entity-recognition
+tags:
+- pii-detection
 train-eval-index:
 - config: privy-small
   task: token-classification
@@ -20,8 +22,8 @@ train-eval-index:
     train_split: train
     eval_split: test
   metrics:
-    - type: seqeval
-      name: seqeval
+  - type: seqeval
+    name: seqeval
 ---
 
 # Dataset Card for "privy-english"