--- a/rollbot.py	Wed Jul 06 15:12:44 2016 +0800
+++ b/rollbot.py	Wed Jul 06 17:23:23 2016 +0800
@@ -257,11 +257,11 @@
     rollbot = RollBot(jid, password, nick, prefix)
     rollbot.auto_authorize = True
     rollbot.auto_subscribe = True
-    rollbot.register_plugin('xep_0030') # Service Discovery
-    rollbot.register_plugin('xep_0045') # Multi-User Chat
-    rollbot.register_plugin('xep_0092') # Software Version
-    rollbot.register_plugin('xep_0199') # XMPP Ping
-    rollbot.register_plugin('xep_0249') # Direct MUC Invitations
+    rollbot.register_plugin('xep_0030')  # Service Discovery
+    rollbot.register_plugin('xep_0045')  # Multi-User Chat
+    rollbot.register_plugin('xep_0092')  # Software Version
+    rollbot.register_plugin('xep_0199')  # XMPP Ping
+    rollbot.register_plugin('xep_0249')  # Direct MUC Invitations
 
     if rollbot.connect():
         logging.info('RollBot connected')