diff --git a/support/doc/plugins/guide.md b/support/doc/plugins/guide.md
index 2cc544f1c..337f3d97f 100644
--- a/support/doc/plugins/guide.md
+++ b/support/doc/plugins/guide.md
@@ -290,7 +290,7 @@ You can create custom routes using an [express Router](https://expressjs.com/en/
 
 ```js
 function register ({
-  router
+  getRouter
 }) {
   const router = getRouter()
   router.get('/ping', (req, res) => res.json({ message: 'pong' }))