DOC: show how to enable the WebSocket interface

Author: mgeier

doc/manual/network-websocket.rst

@@ -6,7 +6,11 @@ WebSocket-based Network Interface
     We did not evaluate any of the network interfaces in terms of security.
     So please be sure that you are in a safe network when using them.
 
-The WebSocket network interface is started by default when starting the SSR.
+The WebSocket network interface can be activated with::
+
+    ssr-binaural --websocket-server
+
+This of course works for all renderers, not only ``ssr-binaural``.
 
 Once the SSR is running, you can use your browser to connect to
 http://localhost:9422/test.
@@ -21,8 +25,6 @@ You can choose a different port with::
 
     ssr-binaural --websocket-server=4321
 
-This of course works for all renderers, not only ``ssr-binaural``.
-
 The relevant settings in the :ref:`ssr_configuration_file` are::
 
     WEBSOCKET_INTERFACE = on