#11481: update copyreg docs and add example.
diff --git a/Doc/library/copy.rst b/Doc/library/copy.rst
index 0c68bd9..1db5c2d 100644
--- a/Doc/library/copy.rst
+++ b/Doc/library/copy.rst
@@ -67,8 +67,8 @@
 
 Classes can use the same interfaces to control copying that they use to control
 pickling.  See the description of module :mod:`pickle` for information on these
-methods.  The :mod:`copy` module does not use the :mod:`copyreg` registration
-module.
+methods.  In fact, :mod:`copy` module uses the registered pickle functions from
+:mod:`copyreg` module.
 
 .. index::
    single: __copy__() (copy protocol)