diff --git a/developer_manual/app/requests/routes.rst b/developer_manual/app/requests/routes.rst
index 7a8113ad3..12dc6864d 100644
--- a/developer_manual/app/requests/routes.rst
+++ b/developer_manual/app/requests/routes.rst
@@ -138,7 +138,7 @@ can be abbreviated by using the **resources** key:
     <?php
     return [
         'resources' => [
-            'author' => [url' => '/authors'],
+            'author' => ['url' => '/authors'],
         ],
         'routes' => [
             // your other routes here