update an incorrect comment

customize.dist/src/less2/include/messenger.less

@@ -2,7 +2,7 @@
 @import (reference) "./colortheme-all.less";
 
 .messenger_vars (
-    @color: @colortheme_friends-color, // color of the toolbar background
+    @color: @colortheme_friends-color, // color of the toolbar text
     @bg-color: @colortheme_friends-bg, // color of the toolbar background
 ) {
     @msg-color: @color;
@@ -13,7 +13,7 @@
     @msg-bg-color-darker: darken(@bg-color, 20%);
 };
 .messenger_main(
-    @color: @colortheme_friends-color, // color of the toolbar background
+    @color: @colortheme_friends-color, // color of the toolbar text
     @bg-color: @colortheme_friends-bg, // color of the toolbar background
 ) {
     --LessLoader_require: LessLoader_currentFile();