diff --git a/source/_addons/dhcp_server.markdown b/source/_addons/dhcp_server.markdown
index 1eb8c8f5f25..d603d40819c 100644
--- a/source/_addons/dhcp_server.markdown
+++ b/source/_addons/dhcp_server.markdown
@@ -47,7 +47,7 @@ Configuration variables:
   - **range_end** (*Required*): End address for dhcp leases.
   - **broadcast** (*Required*): Network broadcast address.
   - **gateway** (*Required*): A List of gateways.
-  - **interface** (*Required*): Inteface on that will be listen.
+  - **interface** (*Required*): Inteface on that will be listen. Normaly is `eth0` for ethernet wired connection and `wlan0` for wireless connection.
 - **hosts** (*Optional*): A list of fixed IPs for devices.
   - **name** (*Required*): Name/hostname of your device.
   - **mac** (*Required*): Mac address of your device.