diff --git a/content/self-host/client-configuration/advanced-settings/_index.en.md b/content/self-host/client-configuration/advanced-settings/_index.en.md
index 0c6769c..1996a4a 100644
--- a/content/self-host/client-configuration/advanced-settings/_index.en.md
+++ b/content/self-host/client-configuration/advanced-settings/_index.en.md
@@ -1226,6 +1226,12 @@ Only available in RustDesk client >=1.4.1 and Pro server >= 1.5.9.
 Do not register the device, you will not see it in the devices page on web console. 
 Only available in Pro server >= 1.6.0 and requires [custom2 license](https://rustdesk.com/pricing#custom2) and number of concurrent connections >= 2.
 
+If `register-device=N`, below will not work on client.
+- Log in
+- `--assign` command
+- `preset-address-book-name`, `--preset-address-book-tag`, `preset-user-name`, `preset-strategy-name`, `preset-device-group-name`
+- Audit Logs
+
 **Discussion**: https://github.com/rustdesk/rustdesk-server-pro/discussions/685 and https://github.com/rustdesk/rustdesk-server-pro/discussions/182
 
 | Values | Default | Example |