Updated documentation.

Documentation/monitors/MySQL-Monitor.md

@@ -124,9 +124,11 @@ Here is an example shell script which sends an email to an admin when a server g
 #!/usr/bin/env bash
 
 #This script assumes that the local mail server is configured properly
-
+#The second argument is the event type
+event=${$2/.*=/}
+server=${$3/.*=/}
 message="A server has gone down at `date`."
-echo $message|mail -s "A server has gone down" admin@my.org
+echo $message|mail -s "The event was $event for server $server." admin@my.org
 
 ```