change example class

README.md

@@ -353,7 +353,7 @@ If you prefer to embed the settings view directly into your own admin tools or d
 ```erb
 <h1>Configuration</h1>
 
-<%= UltraSettings::ApplicationView.new.render(select_class: "form-control", table_class: "table table-striped") %>
+<%= UltraSettings::ApplicationView.new.render(select_class: "form-select", table_class: "table table-striped") %>
 ```
 
 This approach allows for seamless integration of the settings UI into your application's admin interface, leveraging your existing authentication and authorization mechanisms. The settings are rendered in an HTML table with navigation handled by an HTML select element. You can specify the CSS classes for these elements and use your own stylesheets to customize the appearance.