diff --git a/README.md b/README.md
index 91ee03f..2fd4f5b 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,7 @@
 # zimbraScripts
 
 zimbraBackup.sh is script for email archive
+
+nrpe configuration
+
+command[check_zimbra_backup]=/usr/local/bin/nagiosConnect.sh -n /var/log/zimbraBackup.nagios -l /var/log/zimbraBackup.last -t 86400