diff --git a/cookbook/c01/p16_filter.py b/cookbook/c01/p16_filter.py
index a769a3d..43dbe76 100644
--- a/cookbook/c01/p16_filter.py
+++ b/cookbook/c01/p16_filter.py
@@ -2,7 +2,7 @@
 # -*- encoding: utf-8 -*-
 """
 Topic: 序列元素过滤
-Desc : 
+Desc :
 """
 from itertools import compress
 
@@ -37,7 +37,7 @@ def cb_filter():
         '5412 N CLARK',
         '5148 N CLARK',
         '5800 E 58TH',
-        '2122 N CLARK'
+        '2122 N CLARK',
         '5645 N RAVENSWOOD',
         '1060 W ADDISON',
         '4801 N BROADWAY',
@@ -49,4 +49,4 @@ def cb_filter():
 
 
 if __name__ == '__main__':
-    cb_filter()
\ No newline at end of file
+    cb_filter()
diff --git a/source/c01/p16_filter_sequence_elements.rst b/source/c01/p16_filter_sequence_elements.rst
index 3938814..d388554 100644
--- a/source/c01/p16_filter_sequence_elements.rst
+++ b/source/c01/p16_filter_sequence_elements.rst
@@ -94,7 +94,7 @@
         '5412 N CLARK',
         '5148 N CLARK',
         '5800 E 58TH',
-        '2122 N CLARK'
+        '2122 N CLARK',
         '5645 N RAVENSWOOD',
         '1060 W ADDISON',
         '4801 N BROADWAY',
@@ -111,7 +111,7 @@
     >>> more5
     [False, False, True, False, False, True, True, False]
     >>> list(compress(addresses, more5))
-    ['5800 E 58TH', '4801 N BROADWAY', '1039 W GRANVILLE']
+    ['5800 E 58TH', '1060 W ADDISON', '4801 N BROADWAY']
     >>>
 这里的关键点在于先创建一个 ``Boolean`` 序列，指示哪些元素符合条件。
 然后 ``compress()`` 函数根据这个序列去选择输出对应位置为 ``True`` 的元素。