diff --git a/lib/language.php b/lib/language.php
--- a/lib/language.php
+++ b/lib/language.php
@@ -49,6 +49,7 @@ Your message has been forwarded to a co-
         'reply_history' => 'Autoreply History',
         'delete' => 'Delete',
 
+        'manual_headline' => 'Administrator Manual',
         'manual' => 'Manual',
         'manual_link' => 'doc/README.html',
         // |:here:|
@@ -83,6 +84,7 @@ Ihre Mail wird zur Bearbeitung an meine 
         'reply_history' => 'Automatisch  Beantwortete Emails',
         'delete' => 'Löschen',
 
+        'manual_headline' => 'Administratorhandbuch',
         'manual' => 'Anleitung',
         'manual_link' => 'doc/README-de.html',
         // |:here:|