Fix typo

Author: changeworld

articles/virtual-machines/linux/share-images-across-tenants.md

@@ -16,7 +16,7 @@ Azure Compute Galleries let you share images using Azure RBAC. You can use Azure
 [!INCLUDE [virtual-machines-share-images-across-tenants](../../../includes/virtual-machines-share-images-across-tenants.md)]
 
 > [!IMPORTANT]
-> You cannot use the portal to deploy a VM from an image in another azure tenant. To create a VM from an image shared between tenants, you must use the Azure CLI or [Powershell](../windows/share-images-across-tenants.md).
+> You cannot use the portal to deploy a VM from an image in another azure tenant. To create a VM from an image shared between tenants, you must use the Azure CLI or [PowerShell](../windows/share-images-across-tenants.md).
 
 ## Create a VM using Azure CLI