diff --git a/docs/documentation/configuration/overview.md b/docs/documentation/configuration/overview.md
index 1268582..7c0000f 100644
--- a/docs/documentation/configuration/overview.md
+++ b/docs/documentation/configuration/overview.md
@@ -16,6 +16,7 @@ core:
   admin_user: admin@wgportal.local
   admin_password: wgportal-default
   admin_api_token: ""
+  disable_admin_user: false
   editable_keys: true
   create_default_peer: false
   create_default_peer_on_creation: false
@@ -131,6 +132,10 @@ More advanced options are found in the subsequent `Advanced` section.
 - **Description:** The administrator password. The default password should be changed immediately!
 - **Important:** The password should be strong and secure. The minimum password length is specified in [auth.min_password_length](#min_password_length). By default, it is 16 characters.
 
+### `disable_admin_user`
+- **Default:** `false`
+- **Description:** If `true`, no admin user is created. This is useful if you plan to manage users exclusively through external authentication providers such as LDAP or OAuth.
+
 ### `admin_api_token`
 - **Default:** *(empty)*
 - **Description:** An API token for the admin user. If a token is provided, the REST API can be accessed using this token. If empty, the API is initially disabled for the admin user.