diff --git a/source/components/device_tracker.nmap_scanner.markdown b/source/components/device_tracker.nmap_scanner.markdown
index de144c8e4a6..1d8be981fa6 100644
--- a/source/components/device_tracker.nmap_scanner.markdown
+++ b/source/components/device_tracker.nmap_scanner.markdown
@@ -19,6 +19,9 @@ If you're on Debian or Ubuntu, you might have to install the packages for arp an
 device_tracker:
   platform: nmap_tracker
   hosts: 192.168.1.1/24
+  home_interval: 10
 ```
 
+`home_interval` is an optional value set in minutes.  This will be the number of minutes to exclude devices from a scan while they are home.  This is useful for iOS users that are experiencing issues where thier iDevices drop off the network for periods in order to save battery life.
+
 See the [device tracker component page](/components/device_tracker.html) for instructions how to configure the people to be tracked.