diff --git a/examples/ircd/TODO.md b/examples/ircd/TODO.md
index 99b8e4a..4dff327 100644
--- a/examples/ircd/TODO.md
+++ b/examples/ircd/TODO.md
@@ -3,3 +3,6 @@ If two connections, A and B, exist, and
  - A and B are both in #room2
  - A renames itself to A'
 then B receives two ":A NICK A'" messages. This shouldn't happen.
+
+When X quits (disconnects), peers in channels X was in get a PART.
+They should get a QUIT.