diff --git a/dead-man-qry.bash b/dead-man-qry.bash
index 8a51271..4fa36b2 100755
--- a/dead-man-qry.bash
+++ b/dead-man-qry.bash
@@ -1,5 +1,9 @@
 #!/bin/bash
 
+# Call this script from a cron job:
+# MAILTO=jody@kaplon.us
+# 0,30 * * * * ~/dead-man-qry.bash
+
 NUMHRS=6
 
 # set now variable
@@ -7,9 +11,6 @@ NOW=$(date -u +"%Y-%m-%d %H:%M:%S")
 
 RESULT=$(sqlite3 /var/www/tenniscourtsopen.com/courtsopen.db "select published_at from Alerts where datetime(published_at) > datetime('${NOW}', '-${NUMHRS} hours') order by datetime(published_at) limit 1")
 
-# this returns expected string!!!
-# echo $RESULT
-
 if [ -z "$RESULT" ]; then
     echo "No data from device in last $NUMHRS hours."
 fi