$string['gridcolumns'] = 'Grid columns';
$string['groupsession'] = 'Group';
$string['hiddensessions'] = 'Hidden sessions';
-$string['hiddensessions_help'] = '
-Session hides if course\'s start date older than its date. Change start date of course and hidden sessions will be shown.
+$string['hiddensessions_help'] = 'Sessions are hidden if they are scheduled before the course start date.
-You can use this feature to hide older sessions instead delete. Remember than only visible sessions using in Gradebook.';
+You can use this feature to hide older sessions instead of deleting them. Only visible sessions will appear in the Gradebook.';
$string['identifyby'] = 'Identify student by';
$string['includeall'] = 'Select all sessions';
$string['includenottaken'] = 'Include not taken sessions';