diff --git a/README.rst b/README.rst
index c8bc8a3..db7c96c 100644
--- a/README.rst
+++ b/README.rst
@@ -7,7 +7,35 @@ Templates for OpenBSD stuff
 
 **mr.bobby** templates : http://mrbobby.readthedocs.org/en/latest/
 
-+ carp_iface : provide carp ifaces master and slave which muste be based on a vlan interface
++ carp_iface : provide carp ifaces master and slave which could be based on a vlan interface
+
+  ::
+
+    --> cidr ip: 192.168.1.1/24
+    
+    --> vhid: 42
+    
+    --> slave advskew: 100
+    
+    --> description: Router Interface
+    
+    --> password: secret
+    
+    --> physical device card name: em0
+    
+
+.. note:: here vlan default value is based on vhid
+   
+  ::
+    
+    --> vlan id (1 to 4094,  0 -> no vlan carpdev) [42]:
+    
+    --> master hostname: charybde
+    
+    --> slave hostname: scylla
+    
+    --> carp_group hostname: ha
+    
 
 Documentation
 =============