diff --git a/src/warden-server/bin/registerReceiver.pl b/src/warden-server/bin/registerReceiver.pl
index e82a6519c61b188f625b25f4d9f0bdfe0ed653ce..49f3d97d9da4114c788f5b33f19928809ae9e729 100755
--- a/src/warden-server/bin/registerReceiver.pl
+++ b/src/warden-server/bin/registerReceiver.pl
@@ -48,7 +48,7 @@ sub usage {
 sub help {
   print "$RealScript -n <hostname> -r <requestor> -t <type> -o -c <ip_net_client> [-i <client_id> -h -V]\n";
   print "-n     hostname of receiver\n";
-  print "-r     client registration requestor\n";
+  print "-r     e-mail address of client registration requestor\n";
   print "-t     type of received events or '_any_' for receiving of all types of events\n";
   print "-o     enable receiving of own events\n";
   print "-c     CIDR of receiver\n";
diff --git a/src/warden-server/bin/registerSender.pl b/src/warden-server/bin/registerSender.pl
index f75c906ad5e80f532379de6ef882e82007558d9e..a2beb3f3e48006d5ec6ecd28e4c7f82fbe938c2a 100755
--- a/src/warden-server/bin/registerSender.pl
+++ b/src/warden-server/bin/registerSender.pl
@@ -48,7 +48,7 @@ sub usage {
 sub help {
   print "$RealScript -n <hostname> -r <requestor> -s <service> -d <description_tags> -c <ip_net_client> [-i <client_id> -h -V]\n";
   print "-n 	hostname of sender\n";
-  print "-r 	client registration requestor\n";
+  print "-r 	e-mail address of client registration requestor\n";
   print "-s 	name of service which sent events\n";
   print "-d 	description tags of send events\n";
   print "-c 	CIDR of sender\n";