diff --git a/todo b/todo
index 95e8fdd..77e96b0 100644
--- a/todo
+++ b/todo
@@ -29,3 +29,6 @@
   timeouts will always either expire or be canceled before program
   finalization.
   Or more generically, before their lifetime ends.
+  * One good mechanism is to use synchronous waits on the timeout
+    events. This is fine during program shutdown because we don't
+    need to care about responsiveness during program shutdown.