diff --git a/modules/auxiliary/dos/smtp/sendmail_prescan.rb b/modules/auxiliary/dos/smtp/sendmail_prescan.rb
index 8b9be44089..a06f16facd 100644
--- a/modules/auxiliary/dos/smtp/sendmail_prescan.rb
+++ b/modules/auxiliary/dos/smtp/sendmail_prescan.rb
@@ -27,7 +27,7 @@ class MetasploitModule < Msf::Auxiliary
         ],
         'DisclosureDate' => '2003-09-17',
         'Notes' => {
-          'AKA' => ['EARLYSHOVEL']
+          'AKA' => ['EARLYSHOVEL'],
           'Stability' => [CRASH_SERVICE_DOWN],
           'SideEffects' => [],
           'Reliability' => []