diff --git a/metatag.metatag.inc b/metatag.metatag.inc
index 474f359..ffb6b62 100644
--- a/metatag.metatag.inc
+++ b/metatag.metatag.inc
@@ -202,5 +202,12 @@ function metatag_metatag_info() {
     'group' => 'advanced',
   );
 
+  $info['tags']['author'] = array(
+    'label' => t('Author URL'),
+    'description' => 'Used by some search engines to aid confirm authorship of the content on a page. Should be either the full URL for the author\'s Google+ profile page or a local page with information about the author.',
+    'class' => 'DrupalLinkMetaTag',
+    'group' => 'advanced',
+  );
+
   return $info;
 }