diff --git a/classes/element_helper.php b/classes/element_helper.php
index d12b84c..b380b3d 100644
--- a/classes/element_helper.php
+++ b/classes/element_helper.php
@@ -137,7 +137,8 @@ class element_helper {
         $mform->setType('font', PARAM_TEXT);
         $mform->setDefault('font', 'times');
         $mform->addHelpButton('font', 'font', 'customcert');
-        $mform->addElement('select', 'fontsize', get_string('fontsize', 'customcert'), \mod_customcert\certificate::get_font_sizes());
+        $mform->addElement('select', 'fontsize', get_string('fontsize', 'customcert'),
+            \mod_customcert\certificate::get_font_sizes());
         $mform->setType('fontsize', PARAM_INT);
         $mform->setDefault('fontsize', 12);
         $mform->addHelpButton('fontsize', 'fontsize', 'customcert');