Do not suggest to the user that commands can be issued before
logging in.
sulogin prints it own message, which mentions ^D, so there's no need
to repeat it here.
Environment=HOME=/root
WorkingDirectory=/root
ExecStartPre=-/bin/plymouth quit
-ExecStartPre=-/bin/echo -e 'Welcome to emergency mode! Type "systemctl default" or ^D to enter default mode.\\nType "journalctl -b" to view system logs. Type "systemctl reboot" to reboot.'
+ExecStartPre=-/bin/echo -e 'Welcome to emergency mode! After logging in, type "journalctl -b" to view\\nsystem logs, "systemctl reboot" to reboot, "systemctl default" to try again\\nto boot into default mode.'
ExecStart=-/sbin/sulogin
ExecStopPost=@SYSTEMCTL@ --fail --no-block default
Type=idle