diff --git a/docs/system/bootindex.rst b/docs/system/bootindex.rst
index 988f7b3..5e1b33e 100644
--- a/docs/system/bootindex.rst
+++ b/docs/system/bootindex.rst
@@ -53,7 +53,7 @@
 disk to be bootable.  If boot from disk fails for some reason, the x86 BIOS
 won't retry booting from other disk.  It can still try to boot from
 floppy or net, though. In the case of s390x BIOS, the BIOS will try up to
-8 total devices, any number of which may be disks.
+8 total devices, any number of which may be disks or virtio-net devices.
 
 Sometimes, firmware cannot map the device path QEMU wants firmware to
 boot from to a boot method.  It doesn't happen for devices the firmware