diff --git a/docs/fundamentals/systems/overlays/configuration.md b/docs/fundamentals/systems/overlays/configuration.md
index 06bbe6d15..ce41d40c0 100644
--- a/docs/fundamentals/systems/overlays/configuration.md
+++ b/docs/fundamentals/systems/overlays/configuration.md
@@ -4,6 +4,7 @@
 import { html } from '@mdjs/mdjs-preview';
 import './assets/demo-el-using-overlaymixin.mjs';
 import './assets/applyDemoOverlayStyles.mjs';
+import { withDropdownConfig, withTooltipConfig } from '@lion/ui/overlays.js';
 ```
 
 The `OverlayController` has many configuration options.