diff --git a/tests/benchmark/milvus_benchmark/metrics/models/metric.py b/tests/benchmark/milvus_benchmark/metrics/models/metric.py
index ec1a4aa76c..f20596e04e 100644
--- a/tests/benchmark/milvus_benchmark/metrics/models/metric.py
+++ b/tests/benchmark/milvus_benchmark/metrics/models/metric.py
@@ -44,6 +44,7 @@ class Metric(object):
         return hashlib.md5(json_str.encode('utf-8')).hexdigest()
 
     def update_status(self, status):
+        # Set the final result of the test run: RUN_SUCC or RUN_FAILED
         self.status = status
 
     def update_result(self, result):