Update automatic-vm-guest-patching.md

Author: mimckitt

articles/virtual-machines/automatic-vm-guest-patching.md

@@ -70,7 +70,7 @@ As a new rollout is triggered every month, a VM will receive at least one patch
 ## Supported OS images
 Only VMs created from certain OS platform images are currently supported. Custom images are currently not supported.
 
-[!NOTE]
+> [!NOTE]
 > Automatic VM guest patching is only supported on Gen1 images. 
 
 The following platform SKUs are currently supported (and more are added periodically):