diff --git a/booking.variety_admin.inc b/booking.variety_admin.inc
index bc7546b..96b2fe9 100644
--- a/booking.variety_admin.inc
+++ b/booking.variety_admin.inc
@@ -766,8 +766,8 @@ function booking_variety_regn_edit_form_submit($form, &$form_state) {
 
     foreach ($previous_variety_ids as $previous_tid => $previous_sid) {
       if (! isset($booking_variety_ids[$previous_tid])) {
-        watchdog('booking_debug', 'Person @nid in timeslot @tid is no longer registered for a variety session', array(
-          '@nid' => $values['nid'], '@tid' => $previous_tid
+        watchdog('booking_debug', 'Person @nid in timeslot @tid is no longer registered for a variety session so reducing count for @vid by 1', array(
+          '@nid' => $values['nid'], '@tid' => $previous_tid, '@vid' => $previous_sid,
         ));
         // reduce regn count for old session
         db_update('booking_variety_sessions')