diff --git a/TODO.md b/TODO.md
index 295db034..3e201f7e 100644
--- a/TODO.md
+++ b/TODO.md
@@ -28,9 +28,8 @@ notes to self
 - explicitly document label position at top-left corner
 - mark that uiControlShow() on a uiWindow() will bring to front and give keyboard focus because of OS X
 	- make sure ShowWindow() is sufficient for zorder on Windows
-- document that you can't use InsertBefore functions to insert before a nonexistent index (that includes if an array is empty)
-	- reconsider this, as the pointer array code does work with the first invalid index...
-		- we would need to test everything else with it
+- document that you CAN use InsertBefore functions to insert at the first invalid index, even if the array is empty
+	- add tests for this
 - note that uiTabInsertPageBefore() does NOT change the current tab page (it may change its index if inserting before the current page)
 - note that the default action for uiWindowOnClosing() is to return 0 (keep the window open)
 - note that uiInitOptions should be initialized to zero