Slight edit

Author: jasonjoh

tutorial/register-app.md

@@ -6,7 +6,8 @@ In this exercise, you will create a new Azure AD web application registration us
 
 1. Select **Add an app** at the top of the page.
 
-    > **Note:** If you see more than one **Add an app** button on the page, select the one that corresponds to the **Converged apps** list.
+    > [!NOTE]
+    > If you see more than one **Add an app** button on the page, select the one that corresponds to the **Converged apps** list.
 
 1. On the **Register your application** page, set the **Application Name** to **React Graph Tutorial** and select **Create**.