diff --git a/docs/guide/security-authorization.md b/docs/guide/security-authorization.md
index 620e47c066..dcacc406ce 100644
--- a/docs/guide/security-authorization.md
+++ b/docs/guide/security-authorization.md
@@ -599,7 +599,7 @@ If the creation of role parameters is a simple operation, you may just specify a
     'allow' => true,
     'actions' => ['update'],
     'roles' => ['updatePost'],
-    'roleParams' => ['postId' => Yii::$app->request->get('id')];
+    'roleParams' => ['postId' => Yii::$app->request->get('id')],
 ],
 ```