diff --git a/src/emuvim/cli/network.py b/src/emuvim/cli/network.py
index 53007cd..516a752 100755
--- a/src/emuvim/cli/network.py
+++ b/src/emuvim/cli/network.py
@@ -84,7 +84,8 @@
 parser = argparse.ArgumentParser(description='son-emu network')
 parser.add_argument(
     "command",
-    help="Action to be executed: add|remove")
+    choices=['add', 'remove'],
+    help="Action to be executed.")
 parser.add_argument(
     "--datacenter", "-d", dest="datacenter",
     help="Data center to in which the network action should be initiated")
@@ -103,10 +104,10 @@
 parser.add_argument(
     "--bidirectional", "-b", dest="bidirectional",
     action='store_true',
-    help="add/remove the flow entries in 2 directions")
+    help="add/remove the flow entries from src to dst and back")
 parser.add_argument(
     "--cookie", "-c", dest="cookie",
-    help="cookie for this flow")
+    help="cookie for this flow, as easy to use identifier (eg. per tenant/service)")
 
 def main(argv):
     args = vars(parser.parse_args(argv))
diff --git a/src/emuvim/dcemulator/net.py b/src/emuvim/dcemulator/net.py
index 3556535..f5bab44 100755
--- a/src/emuvim/dcemulator/net.py
+++ b/src/emuvim/dcemulator/net.py
@@ -479,7 +479,6 @@
             self.ryu_process.kill()
 
     def ryu_REST(self, prefix, dpid=None, data=None):
-        if data: logging.info('log POST: {0}'.format(str(data)))
         try:
             if dpid:
                 url = self.ryu_REST_api + '/' + str(prefix) + '/' + str(dpid)
diff --git a/src/emuvim/examples/monitoring_demo_topology.py b/src/emuvim/examples/monitoring_demo_topology.py
index 4dfd5b7..0650be4 100755
--- a/src/emuvim/examples/monitoring_demo_topology.py
+++ b/src/emuvim/examples/monitoring_demo_topology.py
@@ -32,11 +32,16 @@
     net = DCNetwork(monitor=True, enable_learning=False)
 
     """
-    1b. add a monitoring agent to the DCNetwork
+    1b. Add endpoint APIs for the whole DCNetwork,
+        to access and control the networking from outside.
+        e.g., to setup forwarding paths between compute
+        instances aka. VNFs (represented by Docker containers), passing through
+        different switches and datacenters of the emulated topology
     """
     mon_api = ZeroRpcApiEndpointDCNetwork("0.0.0.0", 5151)
     mon_api.connectDCNetwork(net)
     mon_api.start()
+
     """
     2. Add (logical) data centers to the topology
        (each data center is one "bigswitch" in our simplified