diff --git a/c4ctrl.py b/c4ctrl.py
index 3ceabee..232f397 100755
--- a/c4ctrl.py
+++ b/c4ctrl.py
@@ -42,7 +42,8 @@ from random import choice # for client_id generation.
 class C4Interface: # {{{1
     """ Interaction with AutoC4, the C4 home automation system. """
 
-    broker = "autoc4.labor.koeln.ccc.de"
+    #broker = "autoc4.labor.koeln.ccc.de"
+    broker = "172.23.23.110"
     port = 1883
     qos = 0
     retain = True
@@ -1091,7 +1092,7 @@ is reserved. Please choose a different one.".format(name))
                             else:
                                 color = color[:6] + ' ' + color[6:]
                         topic = light.topic.ljust(max_topic_len)
-                        # Out comment master, as it would override everything else.
+                        # Comment out master, as it would override everything else.
                         if self._topic_is_master(r.topic):
                             fd.write("#{} = {}\n".format(topic, color))
                         else: