(Azure-CXP) Fix for GitHub Issue 50117

Fix for GitHub Issue 50117
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cc: @amitbapat

Author: SaurabhSharma-MSFT

articles/key-vault/key-vault-subscription-move-fix.md

@@ -42,7 +42,7 @@ Set-AzResource -ResourceId $vaultResourceId -Properties $vault.Properties  # Mod
 Or you can use the Azure CLI.
 
 ```azurecli
-az account set <your-subscriptionId>                                       # Select your Azure Subscription
+az account set -s <your-subscriptionId>                                    # Select your Azure Subscription
 tenantId=$(az account show --query tenantId)                               # Get your tenantId
 az keyvault update -n myvault --remove Properties.accessPolicies           # Remove the access policies
 az keyvault update -n myvault --set Properties.tenantId=$tenantId          # Update the key vault tenantId