diff --git a/admin_manual/configuration_server/config_sample_php_parameters.rst b/admin_manual/configuration_server/config_sample_php_parameters.rst
index c60016b50..f9a79ba4b 100644
--- a/admin_manual/configuration_server/config_sample_php_parameters.rst
+++ b/admin_manual/configuration_server/config_sample_php_parameters.rst
@@ -2026,6 +2026,15 @@ The default location for themes is ``nextcloud/themes/``.
 
 Defaults to the theming app which is shipped since Nextcloud 9
 
+::
+
+	'enforce_theme' => '',
+
+Enforce the user theme. This will disable the user theming settings
+This must be a valid ITheme ID.
+
+E.g. light, dark, highcontrast, dark-highcontrast...
+
 ::
 
 	'cipher' => 'AES-256-CTR',