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-rw-r--r--Doc/library/shelve.rst4
1 files changed, 2 insertions, 2 deletions
diff --git a/Doc/library/shelve.rst b/Doc/library/shelve.rst
index ee839e8..2dee026 100644
--- a/Doc/library/shelve.rst
+++ b/Doc/library/shelve.rst
@@ -80,8 +80,8 @@ Restrictions
.. class:: Shelf(dict[, protocol=None[, writeback=False]])
- A subclass of :class:`UserDict.DictMixin` which stores pickled values in the
- *dict* object.
+ A subclass of :class:`collections.MutableMapping` which stores pickled values
+ in the *dict* object.
By default, version 0 pickles are used to serialize values. The version of the
pickle protocol can be specified with the *protocol* parameter. See the