diff --git a/core/includes/common.inc b/core/includes/common.inc
index d21b9ce..7b14757 100644
--- a/core/includes/common.inc
+++ b/core/includes/common.inc
@@ -5507,13 +5507,13 @@ function drupal_render_page($page) {
     $page = element_info('page');
   }
 
-  // Modules can add elements to $page as needed in hook_page_build().
+  // Modules can add elements to $page as needed in hook_page_build().  Blocks
+  // are populated into regions like 'sidebar_first', 'footer', etc.
   foreach (module_implements('page_build') as $module) {
     $function = $module . '_page_build';
     $function($page);
   }
-  // Modules alter the $page as needed. Blocks are populated into regions like
-  // 'sidebar_first', 'footer', etc.
+  // Modules alter the $page as needed.
   drupal_alter('page', $page);
 
   // If no module has taken care of the main content, add it to the page now.