diff --git a/configs/milvus.yaml b/configs/milvus.yaml
index 75170d3ea1..ea7ba68885 100644
--- a/configs/milvus.yaml
+++ b/configs/milvus.yaml
@@ -30,7 +30,7 @@ etcd:
 minio:
   address: localhost # Address of MinIO/S3
   port: 9000   # Port of MinIO/S3
-  accessKeyID: minioadmin
+  accessKeyID: minioadmin # accessKeyID of MinIO/S3
   secretAccessKey: minioadmin # MinIO/S3 encryption string
   useSSL: false
   bucketName: "a-bucket"