diff --git a/todo.md b/todo.md
index 7db8ab3..c310ec5 100644
--- a/todo.md
+++ b/todo.md
@@ -1,4 +1,6 @@
+so I don't forget:
 - Window.SizeToFit() or WIndow.OptimalSize() (use: `Window.SetSize(Window.OptimalSize())`) for sizing a window to the control's interest
+- Control.Show()/Control.Hide()
 
 far off:
 - localization