Use Python 3 instead of 3.0.
diff --git a/Doc/library/dumbdbm.rst b/Doc/library/dumbdbm.rst
index a511855..965710a 100644
--- a/Doc/library/dumbdbm.rst
+++ b/Doc/library/dumbdbm.rst
@@ -5,9 +5,9 @@
    :synopsis: Portable implementation of the simple DBM interface.
 
 .. note::
-   The :mod:`dumbdbm` module has been renamed to :mod:`dbm.dumb` in Python 3.0.
+   The :mod:`dumbdbm` module has been renamed to :mod:`dbm.dumb` in Python 3.
    The :term:`2to3` tool will automatically adapt imports when converting your
-   sources to 3.0.
+   sources to Python 3.
 
 .. index:: single: databases