Fix balanced accuracy number

README.md

@@ -34,7 +34,7 @@ model-index:
             value: 0.927 # Required. Example: 20.90
             name: Test Accuracy # Optional. Example: Test WER
           - type: hyperml/balanced_accuracy
-            value: 912
+            value: 0.912
             name: Test Balanced Accuracy
 ---