diff --git a/decorator.py b/decorator.py
index ce96f3153..681857a3e 100644
--- a/decorator.py
+++ b/decorator.py
@@ -25,7 +25,8 @@ def hello():
     return "hello world"
 
 if __name__ == '__main__':
-    print('result:{}   name:{}   doc:{}'.format(hello(), hello.__name__, hello.__doc__))
+    print('result:{}   name:{}   doc:{}'.format(hello(),
+           hello.__name__, hello.__doc__))
 
 ### OUTPUT ###
 # result:<b><i>hello world</i></b>   name:hello   doc:a decorated hello world