[gnome-themes-standard/wip/sass] button: add comment on the highlight

[Jakub Steiner <jimmac src gnome org>]

commit 3fcd20c629d1a20bfcfd1d5a999d6403e4214756
Author: Jakub Steiner <jimmac gmail com>
Date:   Tue May 27 13:25:00 2014 +0200

    button: add comment on the highlight

 themes/Adwaita/gtk-3.0/_drawing.scss |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/themes/Adwaita/gtk-3.0/_drawing.scss b/themes/Adwaita/gtk-3.0/_drawing.scss
index 45b2465..acb6b4c 100644
--- a/themes/Adwaita/gtk-3.0/_drawing.scss
+++ b/themes/Adwaita/gtk-3.0/_drawing.scss
@@ -60,7 +60,7 @@ $widget_bottom_hilight: 0 1px $borders_edge; //outer hilight "used" on
   border-width: 1px;
   border-style: solid;
 
-  $_top_hilight: if(lightness($c)> 70%, white, transparentize(white,0.9));
+  $_top_hilight: if(lightness($c)> 70%, white, transparentize(white,0.9)); //not just dark/light but colored 
buttons
 
   @if $t==normal { // normal button
     color: $tc;