Add a little warning about the fact that Arch-Update may have evolved…

… since the YouTube review has been made

README.md

@@ -59,7 +59,9 @@ sudo make uninstall
 
 The usage consist of integrating [the .desktop file](#the-desktop-file) anywhere (could be your desktop, your dock, your status/launch bar and/or your app menu) and enabling the [systemd timer](#the-systemd-timer).
 
-Here is a little YouTube presentation/review of `arch-update` that [Cardiac](https://github.com/Cardiacman13) and I made on [his YouTube channel](https://www.youtube.com/@Cardiacman) (**videos, including this one, are in french**):
+Here is a little YouTube presentation/review of `arch-update` that [Cardiac](https://github.com/Cardiacman13) and I made on [his YouTube channel](https://www.youtube.com/@Cardiacman) (**videos there, including this one, are in french**):
+
+*Warning: Arch-Update's features and default behavior may have changed/evolved since then!*
 
 [![youtube_presentation](https://img.youtube.com/vi/QkOkX70SEmo/0.jpg)](https://www.youtube.com/watch?v=QkOkX70SEmo)