diff --git a/doc/init-main.md b/doc/init-main.md
index ab2cd8c5..bd907c0c 100644
--- a/doc/init-main.md
+++ b/doc/init-main.md
@@ -127,6 +127,8 @@ void uiQuit(void);
 
 TODO safety of calling `uiMain()` again after `uiQuit()`?
 
+TODO behavior of calling `uiQuit()` outside of a `uiMain()` (before, after, etc.)
+
 ### `uiQueueMain()`
 
 ```c