diff --git a/docs/backend-system/building-backends/08-migrating.md b/docs/backend-system/building-backends/08-migrating.md
index e8cebf4eb9..22c7f64f49 100644
--- a/docs/backend-system/building-backends/08-migrating.md
+++ b/docs/backend-system/building-backends/08-migrating.md
@@ -1057,7 +1057,7 @@ const backend = createBackend();
 /* highlight-remove-next-line */
 backend.add(import('@backstage/plugin-auth-backend'));
 /* highlight-add-next-line */
-backend.add(legacyPlugin('auth'), import('./plugins/auth'));
+backend.add(legacyPlugin('auth', import('./plugins/auth')));
 
 backend.start();
 ```