[local-notifications] fix screenshot link on samplepage

https://docs.microsoft.com/en-us/samples/xamarin/monodroid-samples/localnotifications/

Author: conceptdev

LocalNotifications/README.md

@@ -1,6 +1,6 @@
 ---
 name: Xamarin.Android - Android Local Notifications Sample
-description: This sample app accompanies the article, Walkthrough - Using Local Notifications in Xamarin.Android.
+description: This sample app accompanies the article Using Local Notifications in Xamarin.Android.
 page_type: sample
 languages:
 - csharp
@@ -11,9 +11,9 @@ urlFragment: localnotifications
 # Android Local Notifications Sample
 
 This sample app accompanies the article,
-[Walkthrough - Using Local Notifications in Xamarin.Android](https://docs.microsoft.com/en-us/xamarin/android/app-fundamentals/notifications/local-notifications-walkthrough).
+[Walkthrough - Using Local Notifications in Xamarin.Android](https://docs.microsoft.com/xamarin/android/app-fundamentals/notifications/local-notifications-walkthrough).
 
-![Android app screenshot](Screenshots/screenshots.png)
+![Android app screenshot](Screenshots/screenshot-1.png)
 
 When you tap the button displayed in the MainActivity screen, a
 notification is created. When you tap the notification, it