diff --git a/htdocs/core/class/html.formactions.class.php b/htdocs/core/class/html.formactions.class.php
index c98eae0badf..a5404135982 100644
--- a/htdocs/core/class/html.formactions.class.php
+++ b/htdocs/core/class/html.formactions.class.php
@@ -246,7 +246,8 @@ class FormActions
* @param string $htmlname Nom champ formulaire
* @param string $excludetype Type to exclude
* @param string $onlyautoornot Group list by auto events or not: We keep only the 2 generic lines (AC_OTH and AC_OTH_AUTO)
- * @param int $hideinfohelp 1=Do not show info help
+ * @param int $hideinfohelp 1=Do not show info help
+ * @param int $multiselect 1=Allow multiselect of action type for filter or search
* @return void
*/
function select_type_actions($selected='',$htmlname='actioncode',$excludetype='',$onlyautoornot=0, $hideinfohelp=0, $multiselect=0)