diff --git a/TODO b/TODO
index 1d2b9993..4c98e795 100644
--- a/TODO
+++ b/TODO
@@ -87,3 +87,5 @@
 - some fix for SF feature request 2527847 - now remain-by-default has gone
   cannot control it per-session
 - clear window title on exit
+- might be nice if attach-session behaved like switch-client inside an
+  existing client