diff --git a/test-server/test-client.c b/test-server/test-client.c
index 3636951..734aab2 100644
--- a/test-server/test-client.c
+++ b/test-server/test-client.c
@@ -92,7 +92,7 @@
 
 		/*
 		 * start the ball rolling,
-		 * LWS_CALLBACK_CLIENT_WRITEABLE will come immediately
+		 * LWS_CALLBACK_CLIENT_WRITEABLE will come next service
 		 */
 
 		libwebsocket_callback_on_writable(wsi);
@@ -118,6 +118,12 @@
 
 		libwebsocket_callback_on_writable(wsi);
 
+		/*
+		 * without at least this delay, we choke the browser
+		 * and the connection stalls, despite we now take care about
+		 * flow control
+		 */
+
 		usleep(200);
 		break;