$string['blockperiod'] = 'Time period for blocking';
$string['bynameondate'] = 'by $a->name - $a->date';
$string['cannotviewpostyet'] = 'You cannot read other students questions in this discussion yet because you haven\'t posted';
+$string['cannotadddiscussion'] = 'Adding discussions to this forum requires group membership.';
$string['configcleanreadtime'] = 'The hour of the day to clean old posts from the \'read\' table.';
$string['configdisplaymode'] = 'The default display mode for discussions if one isn\'t set.';
$string['configenablerssfeeds'] = 'This switch will enable the possibility of RSS feeds for all forums. You will still need to turn feeds on manually in the settings for each forum.';