Add note about cron notifications with lib-notify

README.md

@@ -187,6 +187,11 @@ usermod -a -G audio,video,network,power,disk,storage,optical,lp,systemd-journal
 sudo pacman -S xorg-server xorg-xrdb xfce4-notifyd
 sudo cp /this/repo/xorg.conf.d/10-monitor.conf /etc/X11/xorg.conf.d/
 ```
+To get notifications working from cron jobs, you might need to add to the top of your crontab or give pass it your ```DBUS_SESSIONS_BUS_ADDRESS```.
+```
+DISPLAY=:0.0
+XAUTHORITY=/home/user/.Xauthority
+```
 
 ##### Fonts
 ```sh