Clarify boot diagnostics storage account error message

Author: przlplx

support/azure/virtual-machines/windows/serial-console-errors.md

@@ -34,7 +34,7 @@ Error                             |   Mitigation
 "Azure Serial Console is not enabled for this subscription, contact your subscription administrator to enable." | The Azure Serial Console can be disabled at a subscription level. If you're a subscription administrator, you can [enable and disable the Azure Serial Console](./serial-console-enable-disable.md). If you aren't a subscription administrator, contact your subscription administrator for the next steps.
 A "Forbidden" response was encountered when accessing this VM's boot diagnostic storage account. | A known issue prevents Azure Serial Console from connecting if a custom boot diagnostics storage account has firewall restrictions. This issue occurs because Azure Serial Console runs in the Microsoft internal tenant. Therefore, firewall rules on the customer-managed storage account might block its access, even if it has the appropriate permissions. To avoid connectivity issues, [switch to managed boot diagnostics](boot-diagnostics.md#enable-boot-diagnostics-on-existing-virtual-machine) (recommended) or remove the firewall on the custom boot diagnostics storage account.
 You don't have the required permissions to use this VM with the serial console. Ensure you have at least Virtual Machine Contributor role permissions.| Serial console access requires that you have contributor level access on your VM or VM scale set. For more information, see the [Azure Serial Console](serial-console-overview.md) overview page.
-The storage account '' used for boot diagnostics on this VM couldn't be found. Verify that boot diagnostics is enabled for this VM, that this storage account isn't deleted, and that you have access to this storage account. | Double check that you didn't delete the boot diagnostics storage account for your VM or VM scale set.
+The storage account '' used for boot diagnostics on this VM couldn't be found. Verify that boot diagnostics is enabled for this VM, this storage account hasn't been deleted, and you have access to this storage account. | Double check that you didn't delete the boot diagnostics storage account for your VM or VM scale set.
 The serial console connection to the VM encountered an error: 'Bad Request' (400) | This error can occur if your boot diagnostics URI is incorrect. For example, "http://" instead of "https://" is used. To fix the URI, run the following command: `az vm boot-diagnostics enable --name vmName --resource-group rgName --storage https://<storageAccountUri>.blob.core.windows.net/`.
 You don't have the required permissions to write to the boot diagnostics storage account for this VM. Ensure you have at least VM Contributor permissions | Serial console access requires contributor level access on the boot diagnostics storage account. For more information, see the [Azure Serial Console](serial-console-overview.md) overview page.
 Unable to determine the resource group for the boot diagnostics storage account *&lt;STORAGEACCOUNTNAME&gt;*. Verify that boot diagnostics is enabled for this VM and you have access to this storage account. | Serial console access requires contributor level access on the boot diagnostics storage account. For more information, see the [Azure Serial Console](serial-console-overview.md) overview page.