Small formatting change for style conformity.

Author: Heidilohr

articles/virtual-desktop/whats-new-agent.md

@@ -32,7 +32,7 @@ New versions of the Azure Virtual Desktop Agent are installed automatically. Whe
 
 This update was released in February 2023 and includes the following changes:
 
-- Domain Trust health check is now enabled. When virtual machines (VMs) fail the Domain Trust health check, they're now given the "Unavailable" status.
+- Domain Trust health check is now enabled. When virtual machines (VMs) fail the Domain Trust health check, they're now given the *Unavailable* status.
 - General improvements and bug fixes.
 
 ## Version 1.0.5739.9000/1.0.5739.9800