guides/user/RPC-server.md

-# RPC Server (Dispatcher) -- v0.4.3
+# RPC Server (Dispatcher) -- v0.4.6
 
 Dispatchers are remote agents which provide you with scanner _Instances_ -- _Instances_
 are the entities that actually perform the scans.
@@ -128,7 +128,7 @@ Sufficient authN/authZ can be achieved by either:
 The help output of the RPC server if fairly straightforward:
 
 ```
-Arachni - Web Application Security Scanner Framework v1.0dev
+Arachni - Web Application Security Scanner Framework v0.4.6
    Author: Tasos "Zapotek" Laskos <tasos.laskos@gmail.com>
 
            (With the support of the community and the Arachni Team.)
@@ -147,6 +147,9 @@ Arachni - Web Application Security Scanner Framework v1.0dev
     --address=<host>            specify address to bind to
                                     (Default: localhost)
 
+    --external-address=<host>   specify the external address used to access this Dispatcher
+                                    (Defaults to the value of '--address'.)
+
     --port=<num>                specify port to listen to
                                     (Default: 7331)