fix help doc

Author: yifanz7

src/Storage/Storage.Management/help/Set-AzStorageAccount.md

@@ -460,6 +460,7 @@ This command updates a Storage account by enable Sftp and localuser.
 To run the command succssfully, the Storage account should already enable Hierarchical Namespace.
 
 ### Example 21: Update a Storage account by set AllowedCopyScope as PrivateLink
+<!-- Skip: Output cannot be splitted from code -->
 ```
 PS C:\> $account = Set-AzStorageAccount -ResourceGroupName "myresourcegroup" -AccountName "mystorageaccount" -AllowedCopyScope PrivateLink
 
@@ -470,6 +471,7 @@ PrivateLink
 The command updates a Storage account by set AllowedCopyScope as PrivateLink. 
 
 ### Example 22: Update a Storage account with Keyvault from another tenant (access Keyvault with FederatedClientId)
+<!-- Skip: Output cannot be splitted from code -->
 ```powershell
 # create Storage account with Keyvault encryption (access Keyvault with FederatedClientId), then show properties
 PS C:\> $account = Set-AzStorageAccount -ResourceGroupName $resourceGroupName -Name $storageAccountName  `