Update README.md

Author: Cam

README.md

@@ -14,6 +14,7 @@ Please add the corresponding repos for xdotool and his dependency :
 	https://packages.ubuntu.com/search?keywords=xdotool
 	https://packages.ubuntu.com/search?keywords=libxdo3&searchon=names
 	(Click on your version and add the line to /etc/apt/sources.list, then you can run the script.)
+	You can also install libnotify-bin to get notifications if they are not there : `sudo apt install libnotify-bin`
 
 
 ## COMMANDS :