diff --git a/src/warden-server/doc/README b/src/warden-server/doc/README
index 4ca856f1af3bb7a70f9301b86eaa7b38bbf3d288..802546f475f5bd4e4746e8eb5e4d440a7751d811 100644
--- a/src/warden-server/doc/README
+++ b/src/warden-server/doc/README
@@ -193,7 +193,20 @@ G. Registration of Clients
 
  1. Register Sender
 
-    /*TODO*/Doplnit...
+    New sender clients are registered in Warden system via
+    warden-server/bin/registerSender.pl.
+    
+    Following attributes must be provided in order to register new client
+    successfully:
+    
+    hostname          - hostname of the client,
+    requestor         - organization or authorized person who demands new
+                        client registration, 
+    service           - name of the service of a new registered client,
+    description_tags  - tags describing the nature of the service,
+    ip_net_client     - CIDR the client is only allowed to communicate from.
+
+    One can always run registerSender.pl with -h argument to see a help.
 
  2. Register Receiver
 
@@ -219,9 +232,8 @@ H. Status Info
 --------------------------------------------------------------------------------
 I. Nagios Integration
 
-  /*TODO*/Doplnit...
-
-  Is available via Nagios plugin /opt/warden-server/bin/warden-alive.
+  Nagios controll is available via Nagios plugin located in
+  /opt/warden-server/bin/warden-alive.
 
 --------------------------------------------------------------------------------
 J. Authors