diff --git a/readme.md b/readme.md
index e0308e3..a79470b 100644
--- a/readme.md
+++ b/readme.md
@@ -121,9 +121,15 @@ that Ly will run on, otherwise bad things will happen. For example, to disable `
 # systemctl disable getty@tty2.service
 ```
 
-You can change the TTY Ly will run on by editing the corresponding
-service file for your platform, or on systemd, by enabling the service on
-different TTYs, as is done above.
+On some platforms, getty instances are not enabled for each tty, rather systemd-logind dynamically starts `autovt@.service` when the switch to a new tty occurs. To autostart ly on switch to `tty2`, do not enable any `ly` unit directly, instead symlink `autovt@tty2.service` to `ly@tty2.service` within `/usr/lib/systemd/system/` (analogous for every other tty you want to enable ly on).
+
+The target of the symlink, `ly@tty2.service`, does not actually exist, but systemd nevertheless recognizes that the instanciation of `autovt@.service` with `%I` equal to `tty2` now points to an instanciation of `ly@.service` with `%I` set to `tty2`.
+
+Compare to `man 5 logind.conf`, especially regarding the `NAutoVTs=` and `ReserveVT=` parameters.
+
+
+On non-systemd systems, you can change the TTY Ly will run on by editing the corresponding
+service file for your platform.
 
 ### OpenRC