diff --git a/source/_components/device_tracker.ubus.markdown b/source/_components/device_tracker.ubus.markdown
index 28bff580c35..d408fec5448 100644
--- a/source/_components/device_tracker.ubus.markdown
+++ b/source/_components/device_tracker.ubus.markdown
@@ -68,6 +68,8 @@ Configuration variables:
 - **host** (*Required*): The IP address of your router, eg. 192.168.1.1.
 - **username** (*Required*): The username of an user with administrative privileges, usually *root*.
 - **password** (*Required*): The password for your given account.
+- **dhcp_software** (*Optional*): The DHCP software used in your router: `dnsmasq` or `dhcpd`. Defaults to `dnsmasq`.
+
 
 See the [device tracker component page](/components/device_tracker/) for instructions how to configure the people to be tracked.