diff --git a/hosts/adrastea/home-manager-extras/default.nix b/hosts/adrastea/home-manager-extras/default.nix
index ed44707..ef3f24f 100644
--- a/hosts/adrastea/home-manager-extras/default.nix
+++ b/hosts/adrastea/home-manager-extras/default.nix
@@ -6,6 +6,10 @@
     "HDMI-A-1,2560x1440@144,0x0,1.0"
   ];
 
+  # since we are using this as a "desktop" of sorts, we have no need to save
+  # power by using optimus. poor performance on external display, so we add
+  # this line to force hyprland to use the nvidia GPU only for rendering. can
+  # be removed if only using internal display
   wayland.windowManager.hyprland.settings.env = [
     "AQ_DRM_DEVICES,/dev/dri/card1:/dev/dri/card0"
   ];