diff --git a/htdocs/product/agenda.php b/htdocs/product/agenda.php
index a03bdb22477..d116eabdd1c 100644
--- a/htdocs/product/agenda.php
+++ b/htdocs/product/agenda.php
@@ -121,10 +121,13 @@ if ($id > 0 || $ref) {
 	$result = $object->fetch($id, $ref);
 
 	$title = $langs->trans("Agenda");
+	
+	$help_url = 'EN:Module_Agenda_En|FR:Module_Agenda';
+	
 	if (!empty($conf->global->MAIN_HTML_TITLE) && preg_match('/productnameonly/', $conf->global->MAIN_HTML_TITLE) && $object->name) {
 		$title = $object->name." - ".$title;
 	}
-	llxHeader('', $title);
+	llxHeader('', $title, $help_url);
 
 	if (!empty($conf->notification->enabled)) {
 		$langs->load("mails");