Reboot prefix for crontab added

README.md

@@ -19,7 +19,7 @@ Custom scripts that can be installed in `/usr/local/bin/` to automate handy thin
 ### Cron scripts
 
 Scripts designed to be put in a crontab with `crontab -e`.
-Use `crontab -l` to see your current crontab.
+Use `crontab -l` to see your current crontab. Use `@reboot` at the beginning of a crontab line to execute a command at startup.
 
 ### Guides