diff --git a/utils/lastheard b/utils/lastheard
index 6fdc60e..02cbf2e 100755
--- a/utils/lastheard
+++ b/utils/lastheard
@@ -1,4 +1,7 @@
 #!/bin/bash
+#
+# copy this file to /etc/cron.daily/
+
 mv /opt/HBMonv2/log/lastheard.log /opt/HBMonv2/log/lastheard.log.save
 /usr/bin/tail -250 /opt/HBMonv2/log/lastheard.log.save > /opt/HBMonv2/log/lastheard.log
 mv /opt/HBMonv2/log/lastheard.log /opt/HBMonv2/log/lastheard.log.save