--- a/rollbot.py	Sat Jul 16 15:12:21 2016 +0800
+++ b/rollbot.py	Mon Jul 18 19:12:06 2016 +0800
@@ -229,7 +229,9 @@
 
     parser.add_argument('-c', '--config', help='configuration file (YAML)', type=FileType('r'))
 
-    group = parser.add_argument_group('main configuration', 'options that can be specified in the configuration file')
+    group = parser.add_argument_group(
+        'main configuration',
+        'options that can also be specified in the configuration file')
     group.add_argument('-j', '--jid', help='JID to use')
     group.add_argument('-p', '--password', help='password to use')
     group.add_argument('-n', '--nick', help='MUC nickname (default: rollbot)')