diff --git a/docs/customization/windows-gaming-hvm.md b/docs/customization/windows-gaming-hvm.md
index 6bb4bf5..b69db16 100644
--- a/docs/customization/windows-gaming-hvm.md
+++ b/docs/customization/windows-gaming-hvm.md
@@ -51,7 +51,7 @@ In my case, I use:
 
 Short list of things to do to make the GPU passthrough work:
 
-- In dom0, you edited the file /etc/default/grub to allow PCI hidding for your secondary GPU, and regenerated the grub
+- In dom0, you edited the file `/etc/default/grub` or `/boot/efi/EFI/qubes/xen.cfg` to allow PCI hiding for your secondary GPU, and regenerated the grub if needed
 - You patched your stubdom-linux-rootfs.gz to allow to have more than 3Go of RAMfor your Windows HVM
 
 ## GRUB modification