diff --git a/classes/turnitin_view.class.php b/classes/turnitin_view.class.php
index 3df70ad9..17b8902d 100644
--- a/classes/turnitin_view.class.php
+++ b/classes/turnitin_view.class.php
@@ -128,12 +128,12 @@ public function add_elements_to_settings_form($mform, $course, $location = "acti
                             2 => get_string('excludepercent', 'plagiarism_turnitin'));
 
         if ($location == "defaults") {
-            $mform->addElement('header', 'plugin_header', get_string('turnitindefaults', 'plagiarism_turnitin'));
+            $mform->addElement('header', 'turnitin_plugin_header', get_string('turnitindefaults', 'plagiarism_turnitin'));
             $mform->addElement('html', get_string("defaultsdesc", "plagiarism_turnitin"));
         }
 
         if ($location != "defaults") {
-            $mform->addElement('header', 'plugin_header', get_string('turnitinpluginsettings', 'plagiarism_turnitin'));
+            $mform->addElement('header', 'turnitin_plugin_header', get_string('turnitinpluginsettings', 'plagiarism_turnitin'));
 
             // Add in custom Javascript and CSS.
             $PAGE->requires->jquery_plugin('ui');