Specify the "g" in gRPC
diff --git a/src/core/lib/channel/http_client_filter.c b/src/core/lib/channel/http_client_filter.c
index a7a775c..9e67df8 100644
--- a/src/core/lib/channel/http_client_filter.c
+++ b/src/core/lib/channel/http_client_filter.c
@@ -233,8 +233,9 @@
     }
   }
 
-  gpr_asprintf(&tmp, "%sgrpc-c/%s (%s; %s)", is_first ? "" : " ",
-               grpc_version_string(), GPR_PLATFORM_STRING, transport_name);
+  gpr_asprintf(&tmp, "%sgrpc-c/%s (%s; %s; %s)", is_first ? "" : " ",
+               grpc_version_string(), GPR_PLATFORM_STRING, transport_name,
+               grpc_g_stands_for());
   is_first = 0;
   gpr_strvec_add(&v, tmp);