update buy domain article and reshoot screenshots

Author: cephalin

articles/app-service/app-service-web-tutorial-custom-domain.md

@@ -22,7 +22,7 @@ The DNS record type you need to add with your domain provider depends on the dom
 | [Wildcard](https://en.wikipedia.org/wiki/Wildcard_DNS_record) | *.contoso.com | [CNAME record](https://en.wikipedia.org/wiki/CNAME_record). |
 
 > [!NOTE]
-> For an end-to-end tutorial that shows you how to configure a `www` subdomain and a managed certificate, see [Tutorial: Secure your Azure App Service app with a custom domain and a managed certificate](app-service-web-tutorial-custom-domain.md).
+> For an end-to-end tutorial that shows you how to configure a `www` subdomain and a managed certificate, see [Tutorial: Secure your Azure App Service app with a custom domain and a managed certificate](tutorial-secure-domain-certificate.md).
 
 ## Prerequisites
 
@@ -43,7 +43,7 @@ The DNS record type you need to add with your domain provider depends on the dom
     > [!NOTE]
     > To configure an App Service domain, see [Buy a custom domain name for Azure App Service](manage-custom-dns-buy-domain.md).
 
-1. For **TLS/SSL certificate**, select **App Service Managed Certificate** if your app is in **Basic** tier or higher. If you want to remain in **Shared** tier, select **Add certificate later**.
+1. For **TLS/SSL certificate**, select **App Service Managed Certificate** if your app is in **Basic** tier or higher. If you want to remain in **Shared** tier, or if you want to use your own certificate, select **Add certificate later**.
 
 1. For **TLS/SSL type**, select the binding type you want.
 

articles/app-service/manage-custom-dns-buy-domain.md

@@ -67,7 +67,7 @@ Review and configure the resources identified in the [Prepare](#prepare) step ab
 + Function app names are globally unique in Azure, so the app in the target region can't have the same name as the one in the source region
 + References and application settings that connect your function app to dependencies need to be reviewed and, when needed, updated. For example, when you move a database that your functions call, you must also update the application settings or configuration to connect to the database in the target region. Some application settings such as the Application Insights instrumentation key or the Azure storage account used by the function app can be already be configured on the target region and do not need to be updated
 + Remember to verify your configuration and test your functions in the target region
-+ If you had custom domain configured, [remap the domain name](../app-service/manage-custom-dns-migrate-domain.md#remap-the-active-dns-name)
++ If you had custom domain configured, [remap the domain name](../app-service/manage-custom-dns-migrate-domain.md#4-remap-the-active-dns-name)
 + For Functions running on Dedicated plans also review the [App Service Migration Plan](../app-service/manage-move-across-regions.md) in case the plan is shared with web apps
 
 ## Clean up source resources