-Also many Cloud-Init images assume to have a serial console, so it is
-recommended to add a serial console and use it as display for those VMs.
+Usually, a serial console should be added and used as a display. Many Cloud-Init
+images rely on this, it is a requirement for OpenStack. However, other images
+might have problems with this configuration. Switch back to the default display
+configuration if using a serial console doesn't work.