podman machine set: clarify --rootful option
It is not quite clear what the difference between `podman machine set
rootful` and `podman system connection default` is.
Add a small note with the difference, the --rootful option will also
affect the socket forwarding.
Fixes
@@ -26,7 +26,9 @@ container execution. This option will also update the current podman
remote connection default if it is currently pointing at the specified
machine name (or `podman-machine-default` if no name is specified).
-API forwarding, if available, will follow this setting.
+Unlike [**podman system connection default**](podman-system-connection-default.1.md)
+this option will also make the API socket, if available, forward to the rootful/rootless
+socket in the VM.
## EXAMPLES
