diff --git a/configs/milvus.yaml b/configs/milvus.yaml
index 9736e58db4..f3e7bd5c88 100644
--- a/configs/milvus.yaml
+++ b/configs/milvus.yaml
@@ -57,6 +57,7 @@ rootCoord:
     clientMaxRecvSize: 104857600 # 100 MB, 100 * 1024 * 1024
     clientMaxSendSize: 104857600 # 100 MB, 100 * 1024 * 1024
 
+# Related configuration of proxy, used to validate client requests and reduce the returned results.
 proxy:
   port: 19530