diff --git a/htdocs/contact/agenda.php b/htdocs/contact/agenda.php
index ca496540a47..293c4f11aa3 100644
--- a/htdocs/contact/agenda.php
+++ b/htdocs/contact/agenda.php
@@ -143,7 +143,7 @@ $title = (!empty($conf->global->SOCIETE_ADDRESSES_MANAGEMENT) ? $langs->trans("C
 if (!empty($conf->global->MAIN_HTML_TITLE) && preg_match('/contactnameonly/', $conf->global->MAIN_HTML_TITLE) && $object->lastname) {
 	$title = $object->lastname;
 }
-$help_url = 'EN:Module_Third_Parties|FR:Module_Tiers|ES:Empresas';
+$help_url = 'EN:Module_Third_Parties|FR:Module_Tiers|ES:Empresas|DE:Modul_Partner';
 llxHeader('', $title, $help_url);