test/fix external links

Author: conceptdev

articles/notification-hubs/xamarin-notification-hubs-ios-push-notification-apns-get-started.md

@@ -24,7 +24,7 @@ ms.author: dimazaid
 
 ## Overview
 
-This tutorial shows you how to use Azure Notification Hubs to send push notifications to an iOS application. You create a blank Xamarin.iOS app that receives push notifications by using the [Apple Push Notification Service (APNS)](https://developer.apple.com/library/content/documentation/NetworkingInternet/Conceptual/RemoteNotificationsPG/APNSOverview.html). 
+This tutorial shows you how to use Azure Notification Hubs to send push notifications to an iOS application. You create a blank Xamarin.iOS app that receives push notifications by using the [Apple Push Notification service (APNs)](https://developer.apple.com/library/content/documentation/NetworkingInternet/Conceptual/RemoteNotificationsPG/APNSOverview.html).
 
 When you're finished, you are able to use your notification hub to broadcast push notifications to all the devices running your app. The finished code is available in the [NotificationHubs app][GitHub] sample.
 
@@ -249,8 +249,9 @@ In this tutorial, you sent broadcast notifications to all your iOS devices regis
 [iOS Provisioning Portal]: http://go.microsoft.com/fwlink/p/?LinkId=272456
 [Visual Studio for Mac]: https://visualstudio.microsoft.com/vs/mac/
 
-[Local and Push Notification Programming Guide]:https://developer.apple.com/library/content/documentation/NetworkingInternet/Conceptual/RemoteNotificationsPG/HandlingRemoteNotifications.html#//apple_ref/doc/uid/TP40008194-CH6-SW1
-[Apple Push Notification Service]: http://go.microsoft.com/fwlink/p/?LinkId=272584
+[Local and Push Notification Programming Guide]: https://developer.apple.com/library/content/documentation/NetworkingInternet/Conceptual/RemoteNotificationsPG/HandlingRemoteNotifications.html#//apple_ref/doc/uid/TP40008194-CH6-SW1
+[Apple Push Notification Service]: https://developer.apple.com/library/content/documentation/NetworkingInternet/Conceptual/RemoteNotificationsPG/APNSOverview.html
+[Apple Push Notification Service fwlink]: http://go.microsoft.com/fwlink/p/?LinkId=272584
 
 [GitHub]: https://github.com/xamarin/mobile-samples/tree/master/Azure/NotificationHubs
 [Azure portal]: https://portal.azure.com

includes/notification-hubs-enable-apple-push-notifications.md

@@ -11,7 +11,7 @@
 ---
 ## Generate the certificate signing request file
 
-The Apple Push Notification Service (APNS) uses certificates to authenticate your push notifications. Follow these instructions to create the necessary push certificate to send and receive notifications. For more information on these concepts, see the official [Apple Push Notification Service](http://go.microsoft.com/fwlink/p/?LinkId=272584) documentation.
+The Apple Push Notification Service (APNS) uses certificates to authenticate your push notifications. Follow these instructions to create the necessary push certificate to send and receive notifications. For more information on these concepts, see the official [Apple Push Notification Service](https://developer.apple.com/library/archive/documentation/NetworkingInternet/Conceptual/RemoteNotificationsPG/APNSOverview.html) documentation.
 
 Generate the Certificate Signing Request (CSR) file, which is used by Apple to generate a signed push certificate.
 
@@ -42,7 +42,7 @@ To be able to send push notifications to an iOS app, you must register your appl
 2. Update the following three fields for your new app and then click **Continue**:
 
     * **Name**: Type a descriptive name for your app in the **Name** field in the **App ID Description** section.
-    * **Bundle Identifier**: Under the **Explicit App ID** section, enter a **Bundle Identifier** in the form `<Organization Identifier>.<Product Name>` as mentioned in the [App Distribution Guide](https://developer.apple.com/library/mac/documentation/IDEs/Conceptual/AppDistributionGuide/ConfiguringYourApp/ConfiguringYourApp.html#//apple_ref/doc/uid/TP40012582-CH28-SW8). The *Organization Identifier* and *Product Name* you use must match the organization identifier and product name you use when you create your XCode project. In the following screenshot *NotificationHubs* is used as an organization identifier and *GetStarted* is used as the product name. Making sure this value matches the value you use in your XCode project allows you to use the correct publishing profile with XCode. 
+    * **Bundle Identifier**: Under the **Explicit App ID** section, enter a **Bundle Identifier** in the form `<Organization Identifier>.<Product Name>` as mentioned in the [App Distribution Guide](https://help.apple.com/xcode/mac/current/#/dev91fe7130a). The *Organization Identifier* and *Product Name* you use must match the organization identifier and product name you use when you create your XCode project. In the following screenshot *NotificationHubs* is used as an organization identifier and *GetStarted* is used as the product name. Making sure this value matches the value you use in your XCode project allows you to use the correct publishing profile with XCode.
     * **Push Notifications**: Check the **Push Notifications** option in the **App Services** section.
 
     ![Form to register a new App ID](./media/notification-hubs-enable-apple-push-notifications/notification-hubs-new-appid-info.png)