diff --git a/tools/xservice/gogen/assets/project/buf/v1/helloworld.proto.tpl b/tools/xservice/gogen/assets/project/buf/v1/helloworld.proto.tpl
index 60aef98..d0a1ecc 100644
--- a/tools/xservice/gogen/assets/project/buf/v1/helloworld.proto.tpl
+++ b/tools/xservice/gogen/assets/project/buf/v1/helloworld.proto.tpl
@@ -24,7 +24,7 @@ service HelloWorldService {
 }
 
 message HelloRequest {
-  // The name who you want to say hello (name should be `1 <= name <= 32`)
+  // The name who you want to say hello (name's length should be `1 <= len(name) <= 32`)
   string name = 1 [(validate.rules).string = {min_len: 1, max_len: 32}];
 }