diff --git a/htdocs/core/class/html.form.class.php b/htdocs/core/class/html.form.class.php
index 2b5cd5e6dde..25a5596aa5d 100644
--- a/htdocs/core/class/html.form.class.php
+++ b/htdocs/core/class/html.form.class.php
@@ -76,7 +76,7 @@ class Form
      * @param   string	$preselected	Name of Value to show/edit (not used in this function)
      * @param	object	$object			Object
      * @param	boolean	$perm			Permission to allow button to edit parameter
-     * @param	string	$typeofdata		Type of data ('string' by default, 'email', 'numeric:99', 'text' or 'textarea:rows:cols', 'day' or 'datepicker', 'ckeditor:dolibarr_zzz:width:height:savemethod:1:rows:cols', 'select:xxx'...)
+     * @param	string	$typeofdata		Type of data ('string' by default, 'email', 'numeric:99', 'text' or 'textarea:rows:cols', 'day' or 'datepicker', 'ckeditor:dolibarr_zzz:width:height:savemethod:1:rows:cols', 'select;xxx[:class]'...)
      * @param	string	$moreparam		More param to add on a href URL
      * @return	string					HTML edit field
      */