Excellent substitution for Opera Notes Bewertet mit 5 von 5 Sternen

This is an excellent attempt to revive Opera notes for those who miss it profoundly. Thanks a lot to the developer for creating this add-on with, even incorporating a number of additional innovative features yet keeping it as simple as it gets.
One request would be an indicator in the address bar to display whether the current webpage has a note attached to it.
Thanks again & keep up the good work!