diff --git a/OPTIMIZATION.md b/OPTIMIZATION.md
index 7229eb0..d7047cb 100644
--- a/OPTIMIZATION.md
+++ b/OPTIMIZATION.md
@@ -11,7 +11,7 @@ If you are still experiencing lag, there are two files which can be tweaked to i
 ## YourGameDir\system\RavenShield.ini
 
 1. Under `[Engine.GameEngine]`, increase `CacheSizeMegs` from `32` to `512`. This is the value used by `UnrealEd.exe`, so we know at least this maximum size is supported
-1. Under `[WinDrv.WindowsClient]`, set `TextureMaxLOD` to `16` (from `12`)
+1. Under `[WinDrv.WindowsClient]`, set `TextureMaxLOD` to `16` (from `12`). Higher values reduce the quality of distant textures
 1. Under `[WinDrv.WindowsClient]`, set `MinDesiredFramerate` to `60` (from `10`)
 1. Under `[D3DDrv.D3DRenderDevice]`, set `UsePrecaching` to `True`
 1. Under `[D3DDrv.D3DRenderDevice]`, set `UseCompressedLightmaps` to `True`