diff --git a/indra/newview/app_settings/shaders/class1/deferred/cloudsV.glsl b/indra/newview/app_settings/shaders/class1/deferred/cloudsV.glsl
index 62edf82cb35296064a91e346c05c53e34f417842..495daa2db6960978096308ba8b24978d6e6c783d 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/cloudsV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/cloudsV.glsl
@@ -75,7 +75,6 @@ uniform float cloud_scale;
 //       indra\newview\llsettingsvo.cpp
 void main()
 {
-
 	// World / view / projection
 	gl_Position = modelview_projection_matrix * vec4(position.xyz, 1.0);
 
diff --git a/indra/newview/app_settings/shaders/class2/windlight/cloudsV.glsl b/indra/newview/app_settings/shaders/class2/windlight/cloudsV.glsl
index 7d560b03630b2461a08e683496003f420b96a215..a4389f62dc0929b97fc64bb2fceedecd0e9c4612 100644
--- a/indra/newview/app_settings/shaders/class2/windlight/cloudsV.glsl
+++ b/indra/newview/app_settings/shaders/class2/windlight/cloudsV.glsl
@@ -36,6 +36,7 @@ ATTRIBUTE vec2 texcoord0;
 VARYING vec4 vary_CloudColorSun;
 VARYING vec4 vary_CloudColorAmbient;
 VARYING float vary_CloudDensity;
+
 VARYING vec2 vary_texcoord0;
 VARYING vec2 vary_texcoord1;
 VARYING vec2 vary_texcoord2;
@@ -66,19 +67,20 @@ uniform vec4 cloud_color;
 
 uniform float cloud_scale;
 
+// NOTE: Keep these in sync!
+//       indra\newview\app_settings\shaders\class1\deferred\skyV.glsl
+//       indra\newview\app_settings\shaders\class1\deferred\cloudsV.glsl
+//       indra\newview\app-settings\shaders\class2\windlight\cloudsV.glsl
+//       indra\newview\lllegacyatmospherics.cpp
+//       indra\newview\llsettingsvo.cpp
 void main()
 {
-
 	// World / view / projection
 	gl_Position = modelview_projection_matrix * vec4(position.xyz, 1.0);
 
 	// Texture coords
     // SL-13084 EEP added support for custom cloud textures -- flip them horizontally to match the preview of Clouds > Cloud Scroll
-    // Keep in Sync!
-    // * indra\newview\llsettingsvo.cpp
-    // * indra\newview\app_settings\shaders\class2\windlight\cloudsV.glsl
-    // * indra\newview\app_settings\shaders\class1\deferred\cloudsV.glsl
-	vary_texcoord0 = vec2( -texcoord0.x, texcoord0.y );
+	vary_texcoord0 = vec2( -texcoord0.x, texcoord0.y ); // See: LLSettingsVOSky::applySpecial
 
 	vary_texcoord0.xy -= 0.5;
 	vary_texcoord0.xy /= cloud_scale;