--- loncom/auth/lonauth.pm	2017/08/08 18:12:18	1.146
+++ loncom/auth/lonauth.pm	2017/08/08 18:17:13	1.147
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # User Authentication Module
 #
-# $Id: lonauth.pm,v 1.146 2017/08/08 18:12:18 raeburn Exp $
+# $Id: lonauth.pm,v 1.147 2017/08/08 18:17:13 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -485,9 +485,9 @@ sub handler {
                     my $noprivswitch;
 #
 # su-user's home server and user's home server must have one of:
-# (a) same internet dom
-# (b) same primary library server for home server's domain
-# (c) same "internet domain" for primary library server for home server's domain
+# (a) same domain
+# (b) same primary library server for the two domains
+# (c) same "internet domain" for primary library server(s) for home servers' domains
 #
                     my $uprim = &Apache::lonnet::domain($sudom,'primary');
                     my $uintdom = &Apache::lonnet::internet_dom($uprim);