Index: Doc/library/atexit.rst
===================================================================
--- Doc/library/atexit.rst	(revision 86561)
+++ Doc/library/atexit.rst	(working copy)
@@ -66,20 +66,22 @@
 automatically when the program terminates without relying on the application
 making an explicit call into this module at termination. ::
 
-   try:
-       _count = int(open("/tmp/counter").read())
-   except IOError:
-       _count = 0
+    try:
+        with open("/tmp/counter") as infile:
+            _count = int(infile.read())
+    except IOError:
+        _count = 0
 
-   def incrcounter(n):
-       global _count
-       _count = _count + n
+    def incrcounter(n):
+        global _count
+        _count = _count + n
 
-   def savecounter():
-       open("/tmp/counter", "w").write("%d" % _count)
+    def savecounter():
+        with open("/tmp/counter", "w") as outfile:
+            outfile.write("%d" % _count)
 
-   import atexit
-   atexit.register(savecounter)
+    import atexit
+    atexit.register(savecounter)
 
 Positional and keyword arguments may also be passed to :func:`register` to be
 passed along to the registered function when it is called::