fix metric type

README.md

@@ -23,16 +23,16 @@ model-index:
       type: accuracy
       value: 0.797242497972425
     - name: False Accuracy
-      type: f1
+      type: accuracy
       value: 0.8092783505154639
     - name: Mixture Accuracy
-      type: f1
+      type: accuracy
       value: 0.5323383084577115
     - name: True Accuracy
-      type: f1
+      type: accuracy
       value: 0.9081803005008348
     - name: Unproven Accuracy
-      type: f1
+      type: accuracy
       value: 0.4
 ---