Re-added note about AppExitReason possibly changing in future updates at

maintainer's request.

Author: PotatoFi

source/_guides/user-interfaces/app-exit-reason.md

@@ -26,7 +26,7 @@ Introduced in SDK v4.0, the ``AppExitReason`` API allows developers to provide a
 reason when terminating their application. The system uses these reasons to
 determine where the user should be sent when the current application terminates.
 
-At present, there are only two ``AppExitReason`` states when exiting an application.
+At present, there are only two ``AppExitReason`` states when exiting an application, but this may change in future updates.
 
 ### APP_EXIT_NOT_SPECIFIED