Change metric name

waf_metric.py

@@ -104,5 +104,5 @@ class WafMetric(evaluate.Metric):
 
         return {
             "FalseAlarm": false_white / (white_cnt + 1e-6),
-            "Recall": true_black / (black_cnt + 1e-6),
+            "Detection": true_black / (black_cnt + 1e-6),
         }