Update migrate-servers-to-azure-using-private-link.md

Updating doc as per https://msazure.visualstudio.com/One/_workitems/edit/30458303

Author: joasa123

articles/migrate/migrate-servers-to-azure-using-private-link.md

@@ -31,7 +31,7 @@ To use a private connection for replication, you can use the storage account cre
 > - In addition to replication data, the Azure Migrate appliance communicates with the Azure Migrate service for its control plane activities. These activities include orchestrating replication. Control plane communication between the Azure Migrate appliance and the Azure Migrate service continues to happen over the internet on the Azure Migrate service's public endpoint.
 > - The private endpoint of the storage account should be accessible from the network where the Azure Migrate appliance is deployed.
 > - DNS must be configured to resolve DNS queries by the Azure Migrate appliance for the cache storage account's blob service endpoint to the private IP address of the private endpoint attached to the cache storage account.
-> - The cache storage account must be accessible on its public endpoint. Azure Migrate uses the cache storage account's public endpoint to move data from the storage account to replica-managed disks.
+> - It's recommended to disable public access to the storage account.
 
 ## Replicate VMs