diff --git a/src/wp-blog-header.php b/src/wp-blog-header.php
index 3e1b8ef560..3a7cfb69ed 100644
--- a/src/wp-blog-header.php
+++ b/src/wp-blog-header.php
@@ -9,10 +9,13 @@ if ( !isset($wp_did_header) ) {
 
 	$wp_did_header = true;
 
+	// Load the WordPress library.
 	require_once( dirname(__FILE__) . '/wp-load.php' );
 
+	// Set up the WordPress query.
 	wp();
 
+	// Load the theme template.
 	require_once( ABSPATH . WPINC . '/template-loader.php' );
 
 }