diff --git a/README.md b/README.md
index a677f2b..0246150 100644
--- a/README.md
+++ b/README.md
@@ -8,3 +8,4 @@ Yii Framework Tutorial นี้ผมตั้งใจทำขึ้นเพ
 
 ## Widgets
  - [การติดตั้ง GridView + Export Menu](https://github.com/dimpled/Yii2-Learning/blob/master/widgets/install-krajee-yii2-grid.md)
+ - [เพิ่ม Botton Group ใน GridView](https://github.com/dimpled/Yii2-Learning/blob/master/widgets/gridview-button.md)
diff --git a/widgets/gridview-button.md b/widgets/gridview-button.md
index 8cfc142..e760ac4 100644
--- a/widgets/gridview-button.md
+++ b/widgets/gridview-button.md
@@ -11,6 +11,7 @@
          'id',
          'country_code',
          'country_name',
+         //......
          [
              'class' => 'yii\grid\ActionColumn',
              'options'=>['style'=>'width:120px;'],