diff --git a/TODO b/TODO
index 11f5e316..4284a20a 100644
--- a/TODO
+++ b/TODO
@@ -140,6 +140,7 @@
 - possibly support rxvt-unicode extended mouse input (1015)
 - append to buffer in copy mode
 - way to paste w/o trailing whitespace
+- flag to switch-client to switch all clients
 * We need a tmux terminfo entry to document the extensions we are using in
   upstream terminfo. Must NOT change (only add or remove) anything from
   TERM=screen so we can fallback!