Update serial-console-linux.md

Author: genlin

support/azure/virtual-machines/linux/serial-console-linux.md

@@ -136,7 +136,7 @@ After the IP addresses are successfully added to the storage account firewall, r
 
 ### Access security
 
-Access to the serial console is limited to users who have an access role of [Virtual Machine Contributor](/azure/role-based-access-control/built-in-roles#virtual-machine-contributor) or higher to the virtual machine. If your Microsoft Entra tenant requires multi-factor authentication (MFA), then access to the serial console will also need MFA because the serial console's access is through the [Azure portal](https://portal.azure.com).
+Access to the serial console is limited to users who have an access role of [Virtual Machine Contributor](/azure/role-based-access-control/built-in-roles#virtual-machine-contributor) or higher to the virtual machine. If your Microsoft Entra tenant requires multifactor authentication (MFA), then access to the serial console will also need MFA because the serial console's access is through the [Azure portal](https://portal.azure.com).
 
 ### Channel security