diff --git a/racket/syndicate/examples/actor/chat-multiroom.rkt b/racket/syndicate/examples/actor/chat-multiroom.rkt
index 23cb2d1..c96411e 100644
--- a/racket/syndicate/examples/actor/chat-multiroom.rkt
+++ b/racket/syndicate/examples/actor/chat-multiroom.rkt
@@ -1,5 +1,6 @@
 #lang syndicate/actor
 ;; Evolution of chat-simplified-internals2.rkt to support multiple rooms.
+;; Uses the approach of modifying the protocol to include a room name.
 
 (require syndicate/protocol/advertise)
 (require/activate syndicate/drivers/tcp)