diff -r a970054a93fb Doc/library/ctypes.rst
--- a/Doc/library/ctypes.rst	Mon Jul 16 18:30:03 2012 +0100
+++ b/Doc/library/ctypes.rst	Mon Jul 16 21:09:13 2012 +0200
@@ -1368,9 +1368,14 @@
 
 Instances of these classes have no public methods, however :meth:`__getattr__`
 and :meth:`__getitem__` have special behavior: functions exported by the shared
-library can be accessed as attributes of by index.  Please note that both
-:meth:`__getattr__` and :meth:`__getitem__` cache their result, so calling them
-repeatedly returns the same object each time.
+library can be accessed as attributes of by index.  Please note that
+:meth:`__getattr__` cache the result, so calling it repeatedly returns the same
+object each time, while :meth:`__getitem__` returns a new object each time.
+
+   >>> libc.time == libc.time
+   True
+   >>> libc['time'] == libc['time']
+   False
 
 The following public attributes are available, their name starts with an
 underscore to not clash with exported function names: