diff --git a/lib/setup.php b/lib/setup.php
index 992e0a3..b9f962d 100644
--- a/lib/setup.php
+++ b/lib/setup.php
@@ -44,7 +44,8 @@ function setup() {
   // http://codex.wordpress.org/Function_Reference/add_theme_support#HTML5
   add_theme_support('html5', ['caption', 'comment-form', 'comment-list', 'gallery', 'search-form']);
 
-  // Custom stylesheet for visual editor
+  // Use main stylesheet for visual editor
+  // To add custom styles edit /assets/styles/layouts/_tinymce.scss
   add_editor_style(Assets\asset_path('styles/main.css'));
 }
 add_action('after_setup_theme', __NAMESPACE__ . '\\setup');