$strgrades = get_string('grades');
$reportname = get_string('modulename', 'gradereport_grader');
-$navigation = grade_build_nav(__FILE__, get_string('grader', 'grades'), $courseid);
+$navigation = grade_build_nav(__FILE__, $reportname, $courseid);
/// Build editing on/off buttons
$strgrades = get_string('grades');
$reportname = get_string('modulename', 'gradereport_user');
-$navigation = grade_build_nav(__FILE__, get_string('user', 'grades'), $courseid);
+$navigation = grade_build_nav(__FILE__, $reportname, $courseid);
/// Print header
print_header_simple($strgrades.': '.$reportname, ': '.$strgrades, $navigation,