diff --git a/htdocs/cron/list.php b/htdocs/cron/list.php
index 4e14d503f1e..8560f351563 100644
--- a/htdocs/cron/list.php
+++ b/htdocs/cron/list.php
@@ -606,6 +606,7 @@ if ($num > 0) {
 		print $form->textwithpicto($text, $texttoshow, 1);
 		print '</td>';
 
+		// Frequency
 		$s = '';
 		if ($obj->unitfrequency == "60") {
 			$s = ($obj->frequency)." ".$langs->trans('MinuteShort');