Comments clean up, consistent formatting

lib/widgets.php

@@ -1,7 +1,9 @@
 <?php
-
+/**
+ * Register sidebars and widgets
+ */
 function roots_widgets_init() {
-  // Register widgetized areas
+  // Sidebars
   register_sidebar(array(
     'name'          => __('Primary Sidebar', 'roots'),
     'id'            => 'sidebar-primary',
@@ -20,12 +22,14 @@ function roots_widgets_init() {
     'after_title'   => '</h3>',
   ));
 
-  // Register widgets
+  // Widgets
   register_widget('Roots_Vcard_Widget');
 }
 add_action('widgets_init', 'roots_widgets_init');
 
-// Example vCard widget
+/**
+ * Example vCard widget
+ */
 class Roots_Vcard_Widget extends WP_Widget {
   private $fields = array(
     'title'          => 'Title (optional)',