Merge "Fixed misspelling of administrators per bug #1017903"

htdocs/lang/en.utf8/group.php

@@ -85,7 +85,7 @@ $string['windowenddesc'] = 'Group cannot be edited by members after this date';
 $string['editwindowbetween'] = 'Between';
 $string['editwindowfrom'] = 'From';
 $string['editwindowuntil'] = 'Until';
-$string['groupadmins'] = 'Group admininistrators';
+$string['groupadmins'] = 'Group administrators';
 $string['editroles'] = 'Create and edit pages';
 $string['editrolesdescription'] = 'Roles with permission to create and edit group pages.';
 $string['allexceptmember'] = 'Everyone except ordinary members';