Added a comment

packages/app/src/components/Admin/App/V5PageMigration.tsx

@@ -25,6 +25,7 @@ const V5PageMigration: FC<any> = (props) => {
   };
 
   const onNotNowClicked = async() => {
+    // not show toastr
     await adminAppContainer.v5PageMigrationHandler('notNow');
   };