diff --git a/src/core/transport/transport.h b/src/core/transport/transport.h
index 579bcc9..1429737 100644
--- a/src/core/transport/transport.h
+++ b/src/core/transport/transport.h
@@ -91,7 +91,9 @@
   grpc_connectivity_state *connectivity_state;
   /** should the transport be disconnected */
   int disconnect;
-  /** should we send a goaway? */
+  /** should we send a goaway?
+      after a goaway is sent, once there are no more active calls on
+      the transport, the transport should disconnect */
   int send_goaway;
   /** what should the goaway contain? */
   grpc_status_code goaway_status;