diff --git a/source/_components/device_tracker.asuswrt.markdown b/source/_components/device_tracker.asuswrt.markdown
index 5f434f14acc..b6631401078 100644
--- a/source/_components/device_tracker.asuswrt.markdown
+++ b/source/_components/device_tracker.asuswrt.markdown
@@ -34,7 +34,8 @@ Configuration variables:
 - **protocol** (*Optional*): The protocol (`ssh` or `telnet`) to use. Defaults to `ssh`.
 - **mode** (*Optional*): The operating mode of the router (`router` or `ap`). Defaults to `router`.
 - **username** (*Required*: The username of an user with administrative privileges, usually *admin*.
-- **password** (*Required*): The password for your given admin account.
+- **password** (*Optional*): The password for your given admin account (use this if no public key is given).
+- **pub_key** (*Optional*): The public key for your given admin account (instead of password).
 
 <p class='note warning'>
 You need to enable telnet on your router if you choose to use `protocol: telnet`.