diff --git a/inc/actions.php b/inc/actions.php
index aa060a2..7f2c84d 100644
--- a/inc/actions.php
+++ b/inc/actions.php
@@ -1,5 +1,8 @@
 <?php
 
+/**
+ * Add the RSS feed link in the <head> if there's posts
+ */
 function roots_feed_link() {
   $count = wp_count_posts('post'); if ($count->publish > 0) {
     echo "\n\t<link rel=\"alternate\" type=\"application/rss+xml\" title=\"". get_bloginfo('name') ." Feed\" href=\"". home_url() ."/feed/\">\n";
@@ -8,11 +11,16 @@ function roots_feed_link() {
 
 add_action('roots_head', 'roots_feed_link');
 
+/**
+ * Add the asynchronous Google Analytics snippet from HTML5 Boilerplate
+ * if an ID is defined in config.php
+ *
+ * @link mathiasbynens.be/notes/async-analytics-snippet
+ */
 function roots_google_analytics() {
-  $roots_google_analytics_id = GOOGLE_ANALYTICS_ID;
-  if ($roots_google_analytics_id !== '') {
+  if (GOOGLE_ANALYTICS_ID) {
     echo "\n\t<script>\n";
-    echo "\t\tvar _gaq=[['_setAccount','$roots_google_analytics_id'],['_trackPageview']];\n";
+    echo "\t\tvar _gaq=[['_setAccount','" . GOOGLE_ANALYTICS_ID . "''],['_trackPageview']];\n";
     echo "\t\t(function(d,t){var g=d.createElement(t),s=d.getElementsByTagName(t)[0];\n";
     echo "\t\tg.src=('https:'==location.protocol?'//ssl':'//www')+'.google-analytics.com/ga.js';\n";
     echo "\t\ts.parentNode.insertBefore(g,s)}(document,'script'));\n";
