Index: Doc/library/atexit.rst
===================================================================
--- Doc/library/atexit.rst	(revision 86561)
+++ Doc/library/atexit.rst	(working copy)
@@ -67,7 +67,8 @@
 making an explicit call into this module at termination. ::
 
    try:
-       _count = int(open("/tmp/counter").read())
+       with open("/tmp/counter") as infile:
+           _count = int(infile.read())
    except IOError:
        _count = 0
 
@@ -76,7 +77,8 @@
        _count = _count + n
 
    def savecounter():
-       open("/tmp/counter", "w").write("%d" % _count)
+       with open("/tmp/counter", "w") as outfile:
+           outfile.write("%d" % _count)
 
    import atexit
    atexit.register(savecounter)