fixes issue-4386

public/src/admin/manage/group.js

@@ -98,7 +98,7 @@ define('admin/manage/group', [
 
 				templates.parse('partials/groups/memberlist', 'members', {group: {isOwner: ajaxify.data.group.isOwner, members: [member]}}, function(html) {
 					translator.translate(html, function(html) {
-						$('[component="groups/members"] tr').first().before(html);
+						$('[component="groups/members"]').prepend(html);
 					});
 				});
 			});

src/views/admin/manage/group.tpl

@@ -63,7 +63,7 @@
 				<fieldset>
 					<div class="checkbox">
 						<label>
-							<input id="group-hidden" name="hidden" type="checkbox"<!-- IF group.hidden --> checked<!-- ENDIF group.hidden -->> <strong>[Hidden</strong>
+							<input id="group-hidden" name="hidden" type="checkbox"<!-- IF group.hidden --> checked<!-- ENDIF group.hidden -->> <strong>Hidden</strong>
 							<p class="help-block">
 								If enabled, this group will not be found in the groups listing, and users will have to be invited manually
 							</p>