[gnome-build-meta.wiki] Update Bootable images in virtual machines

[Jordan Petridis <jpetridis src gnome org>]

commit adf523ee3213b0fd443ca0192d02acdc605ae88e
Author: Jordan Petridis <jpetridis gnome org>
Date:   Mon Jan 31 19:49:08 2022 +0000

    Update Bootable images in virtual machines

 Bootable-images-in-virtual-machines.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/Bootable-images-in-virtual-machines.md b/Bootable-images-in-virtual-machines.md
index 8214066..98d9cf8 100644
--- a/Bootable-images-in-virtual-machines.md
+++ b/Bootable-images-in-virtual-machines.md
@@ -212,7 +212,7 @@ The bootloader is [systemd-boot](https://www.freedesktop.org/wiki/Software/syste
 
 Set `console=ttyS0` kernel argument to enable login on the serial console. If running `qemu` from a 
terminal, you can pass `-serial stdio` to QEMU to connect serial console to your terminal, which allows you 
to copy and paste.
 
-There is no root password set by default. You can get a login shell by adding kernel argument 
`systemd.debug=1`, then switching to VT9 by pressing `<ctrl>+<alt>+<F9>`.
+There is no root password set by default. You can get a login shell by adding kernel argument 
`systemd.debug_shell=1`, then switching to VT9 by pressing `<ctrl>+<alt>+<F9>`.
 
 ### nr_entries is too big