diff --git a/procédures/administration_vm_sans_root.md b/procédures/administration_vm_sans_root.md
index 754fad1..9fccc8e 100644
--- a/procédures/administration_vm_sans_root.md
+++ b/procédures/administration_vm_sans_root.md
@@ -119,6 +119,7 @@ trisquel-netinst_11.0_amd64.iso:
     #!/bin/sh
     # Copyright (C) 2023 Denis 'GNUtoo' Carikli
     # SPDX-License-Identifier: GPL-3.0-or-later
+    # See /usr/include/linux/input-event-codes.h for the key <-> values
     virsh -c qemu:///system send-key trisquel-installer 15 # TAB
     virsh -c qemu:///system send-key trisquel-installer 46 # C
     virsh -c qemu:///system send-key trisquel-installer 24 # O