Modify ['membergroup_moderator'] to explain the new functionality

Signed-off-by: Michael Eshom <oldiesmann@oldiesmann.us>

Themes/default/languages/Help.english.php

@@ -497,7 +497,7 @@ $helptxt['permissions_postgroups'] = 'Enabling permissions for post count based
 $helptxt['membergroup_guests'] = 'The Guests membergroup are all users that are not logged in.';
 $helptxt['membergroup_regular_members'] = 'The Regular Members are all members that are logged in, but that have no primary membergroup assigned.';
 $helptxt['membergroup_administrator'] = 'The administrator can, per definition, do anything and see any board. There are no permission settings for the administrator.';
-$helptxt['membergroup_moderator'] = 'The Moderator membergroup is a special membergroup. Permissions and settings assigned to this group apply to moderators but only <em>on the boards they moderate</em>. Outside these boards they\'re just like any other member.';
+$helptxt['membergroup_moderator'] = 'The Moderator membergroup is a special membergroup. Permissions and settings assigned to this group apply to moderators but only <em>on the boards they moderate</em>. Outside these boards they\'re just like any other member. Note that permissions for this group also apply to any group assigned to moderate a board.';
 $helptxt['membergroups'] = 'In SMF there are two types of groups that your members can be part of. These are:
 	<ul class="normallist">
 		<li><strong>Regular Groups:</strong> A regular group is a group to which members are not automatically put into. To assign a member to be in a group simply go to their profile and click &quot;Account Settings&quot;. From here you can assign them any number of regular groups to which they will be part.</li>