diff --git a/include/grpcpp/server_builder.h b/include/grpcpp/server_builder.h
index 5655761d081..bd8fa4621f7 100644
--- a/include/grpcpp/server_builder.h
+++ b/include/grpcpp/server_builder.h
@@ -39,7 +39,7 @@ namespace grpc_impl {
 
 class ServerCredentials;
 class ResourceQuota;
-}
+}  // namespace grpc_impl
 
 namespace grpc {