diff --git a/indra/llrender/llglslshader.h b/indra/llrender/llglslshader.h
index 6b4778c270997e3c7ee3607bdadf0e6ab9238f07..68e1a8954d410e56599a63e2d3b942d22e5678dc 100644
--- a/indra/llrender/llglslshader.h
+++ b/indra/llrender/llglslshader.h
@@ -52,7 +52,7 @@ class LLShaderFeatures
     bool hasShadows;
     bool hasAmbientOcclusion;
 	bool hasSrgb;
-    bool encodesNormal;
+    bool encodesNormal; // include: shaders\class1\environment\encodeNormF.glsl
     bool isDeferred;
     bool hasIndirect;
 	S32 mIndexedTextureChannels;