diff --git a/booking.studygroups_report.inc b/booking.studygroups_report.inc
index 3b5b38d..46c2f31 100644
--- a/booking.studygroups_report.inc
+++ b/booking.studygroups_report.inc
@@ -118,6 +118,7 @@ function booking_studygroups_leadhelp_view_summary() {
     ->orderBy('sid');
 	$studygroup_list = $query->execute()->fetchAllAssoc('sid');
 	
+  //add columns for the study groups
 	foreach ($studygroup_list as $group) {  
     $header[] = $group->booking_studygroup_descrip;
 	}    
@@ -126,49 +127,31 @@ function booking_studygroups_leadhelp_view_summary() {
                           " AND (booking_status = 1 OR booking_status = 2)" .
                           " ORDER BY booking_lastname, booking_firstname")->fetchAllAssoc('nid');	
 
+  //loop through each matching person
   foreach ($person_query as $person) {
     //add the name to an array for this line
     $newline = array($person->booking_firstname, $person->booking_lastname);
 
     foreach ($studygroup_list as $group) {
       $session = 'session' . $group->sid;
-      $session_role = 'session' . $group->sid . '_role';
-      //watchdog('booking_debug2', "<pre>Leader Helper session @session, role @role</pre>",
-      //  array('@session' => $session, '@role' => $session_role));
-
+      $session_role = 'session' . $group->sid . '_role'
+      //add details if they have a role for this studygroup
       if ($person->$session_role > 0) {
         $text = _booking_studygroup_role_lookup($person->$session_role);
         $newline[] .= "<b>" . $text . "</b>, session #" . $person->$session;
       }
-      else {
-        //watchdog('booking_debug2', "<pre>Leader Helper check\n@info</pre>", array('@info' => print_r( $group, true)));
-        $newline[] = "";
-      }
-    }
-
-    /*
-    //go through each of the studygroups and check if the person belongs to the group
-    foreach ($group_mapping as $group) {	
-      $role = $group->booking_studygroup_role;
-      if ($group->booking_node_id == $person->nid && $role > 0)	{
-        $text = _booking_studygroup_role_lookup($role);
-        $newline[] .= "<b>" . $text . "</b> for session #" . $group->booking_session_id;								
-      }
+      //otherwise put a blank entry for this studygroup
       else {
         $newline[] = "";
       }
-    }
-    */
+    } //end iterate studygroup list
     //add the line to the array of rows
     $rows[] = $newline;
-  }
+  } //end iterate person list
 
 	//output everything
 	$output .= t("<h3>!event Study Group Leaders and Helpers</h3>", array('!event' => $event->booking_eventname));
 	$output .= theme('table', array('header' => $header, 'rows' => $rows, 'attributes' => $attributes));
 
 	return $output;
-
-
-
 }
\ No newline at end of file