diff --git a/booking.module b/booking.module
index 3be6d49..2d0abcd 100644
--- a/booking.module
+++ b/booking.module
@@ -869,6 +869,8 @@ function booking_mail($key, &$message, $params) {
   if (isset($params['headers']) && is_array($params['headers'])) {   
     $message['headers'] += $params['headers'];
   }
+
+	watchdog('booking_debug', "<pre>Mail hook:\n@info</pre>", array('@info' => print_r( $message, true)));
 }
 
 /**
@@ -882,7 +884,7 @@ function booking_mail_alter(&$message) {
       'MIME-Version' => '1.0',
       'Content-Type' => 'text/html; charset=UTF-8; format=flowed',
       'Content-Transfer-Encoding' => '8bit',
-      'X-Mailer' => 'Drupal1',
+      'X-Mailer' => 'Drupal',
     );
   }else{
     $headers = array(