-f = SimpleForm("crontab", translate("Scheduled Tasks"), translate("This is the system crontab in which scheduled tasks can be defined."))
+f = SimpleForm("crontab", translate("Scheduled Tasks"),
+ translate("This is the system crontab in which scheduled tasks can be defined.") ..
+ translate("<br/>Note: you need to manually restart the cron service if the " ..
+ "crontab file was empty before editing."))