diff --git a/docs/desktop/hyprland.mdx b/docs/desktop/hyprland.mdx
index f940236..a9430c4 100644
--- a/docs/desktop/hyprland.mdx
+++ b/docs/desktop/hyprland.mdx
@@ -125,6 +125,8 @@ Omarchy's stock fade (0.985 active / 0.96 inactive) is kept. Terminals get their
 
 `GDK_SCALE=3` is exported. The Studio Display sits left of the laptop panel. At scale 2 its logical width is 2560, so `eDP-1` starts at x = 2560.
 
+`~/.config/uwsm/env-hyprland` (source `dot_config/uwsm/env-hyprland`, Linux desktop/laptop only) is sourced by uwsm before Hyprland starts. It sets `AQ_DRM_DEVICES` to the AMD iGPU, resolved from `/dev/dri/by-path/pci-0000:c4:00.0-card`, so Hyprland never opens the Thunderbolt eGPU (RTX 5060 Ti, compute only). It leaves the variable unset if that path is missing.
+
 ## hyprsunset and portal
 
 ```ini ~/.config/hypr/hyprsunset.conf