diff --git a/TODO b/TODO
index 0b705c109a..25fbdaaed4 100644
--- a/TODO
+++ b/TODO
@@ -35,6 +35,8 @@ External:
 
 Features:
 
+* kdbus: for some reason "busctl monitor" only shows metadata for signal msgs, never method call or method reply msgs
+
 * add "systemctl start -v foobar.service" that shows logs of a service
   while the start command runs. This is non-trivial to do without
   races though, since we should flush out all journal messages before