diff --git a/new-server.rkt b/new-server.rkt
index 31f3561..2a44460 100644
--- a/new-server.rkt
+++ b/new-server.rkt
@@ -160,6 +160,8 @@
 	    ;; Wait for a cycle to let the reader and writer get
 	    ;; started, then tell the reader we are ready for a
 	    ;; single packet and spawn the session manager.
+
+	    ;; TODO: try using presence instead of the yield.
 	    (yield #:state state
 	      (transition state
 		(send-message (inbound-credit 1))