Update how-to-configure-https-custom-domain.md

Author: ShawnJackson

articles/frontdoor/standard-premium/how-to-configure-https-custom-domain.md

@@ -75,7 +75,7 @@ You can also choose to use your own TLS certificate. Your TLS certificate must m
 
 #### Prepare your key vault and certificate
 
-We recommend that you create a separate Azure Key Vault instance in which to store your Azure Front Door TLS certificates. For more information, see [create an Azure Key Vault](../../key-vault/general/quick-create-portal.md). If you already have a certificate, you can upload it to your new Key Vault instance. Otherwise, you can create a new certificate through Key Vault from one of the certificate authority (CA) partners.
+We recommend that you create a separate Azure Key Vault instance in which to store your Azure Front Door TLS certificates. For more information, see [Create a Key Vault instance](../../key-vault/general/quick-create-portal.md). If you already have a certificate, you can upload it to your new Key Vault instance. Otherwise, you can create a new certificate through Key Vault from one of the certificate authority (CA) partners.
 
 > [!WARNING]
 > Azure Front Door currently only supports Key Vault in the same subscription. Selecting Key Vault under a different subscription results in a failure.