diff --git a/example/gamemode.ini b/example/gamemode.ini
index a0ab428..02102fb 100644
--- a/example/gamemode.ini
+++ b/example/gamemode.ini
@@ -49,7 +49,8 @@ inhibit_screensaver=1
 ; Nvidia specific settings
 ; Requires the coolbits extension activated in nvidia-xconfig
 ; This corresponds to the desired GPUPowerMizerMode
-; Generally "Adaptive"=0 "Prefer Maximum Performance"=1 and "Auto"=2)
+; "Adaptive"=0 "Prefer Maximum Performance"=1 and "Auto"=2
+; See NV_CTRL_GPU_POWER_MIZER_MODE and friends in https://github.com/NVIDIA/nvidia-settings/blob/master/src/libXNVCtrl/NVCtrl.h
 ;nv_powermizer_mode=1
 
 ; This corresponds to the performance level to edit in nvidia-xconfig (usually the highest level - on older cards 1, newer cards can be 4 or higher)