Index: lang/en/role.php
===================================================================
RCS file: /cvsroot/moodle/moodle/lang/en/role.php,v
retrieving revision 1.22
diff -u -r1.22 role.php
--- lang/en/role.php	5 Nov 2010 06:55:43 -0000	1.22
+++ lang/en/role.php	8 Nov 2010 13:53:12 -0000
@@ -37,6 +37,7 @@
 $string['allowswitch'] = 'Allow role switches';
 $string['allsiteusers'] = 'All site users';
 $string['archetype'] = 'Role archetype';
+$string['archetype_help'] = 'The role archetype determines the permissions when a role is reset to default. It also determines any new permissions for the role when the site is upgraded.';
 $string['archetypecoursecreator'] = 'ARCHETYPE: Course Creator';
 $string['archetypeeditingteacher'] = 'ARCHETYPE: Teacher (editing)';
 $string['archetypefrontpage'] = 'ARCHETYPE: Authenticated user on frontpage';
Index: admin/roles/lib.php
===================================================================
RCS file: /cvsroot/moodle/moodle/admin/roles/lib.php,v
retrieving revision 1.55
diff -u -r1.55 lib.php
--- admin/roles/lib.php	4 Oct 2010 07:50:12 -0000	1.55
+++ admin/roles/lib.php	8 Nov 2010 13:53:12 -0000
@@ -777,12 +777,13 @@
     }
 
     public function display() {
+        global $OUTPUT;
         // Extra fields at the top of the page.
         echo '<div class="topfields clearfix">';
         $this->print_field('name', get_string('name'), $this->get_name_field('name'));
         $this->print_field('shortname', get_string('shortname'), $this->get_shortname_field('shortname'));
         $this->print_field('edit-description', get_string('description'), $this->get_description_field('description'));
-        $this->print_field('menuarchetype', get_string('archetype', 'role'), $this->get_archetype_field('archetype'));
+        $this->print_field('menuarchetype', get_string('archetype', 'role').'&nbsp;'.$OUTPUT->help_icon('archetype', 'role'), $this->get_archetype_field('archetype'));
         $this->print_field('', get_string('maybeassignedin', 'role'), $this->get_assignable_levels_control());
         echo "</div>";