Use Python 3 instead of 3.0.
diff --git a/Doc/library/cookielib.rst b/Doc/library/cookielib.rst
index 77d6624..2ace510 100644
--- a/Doc/library/cookielib.rst
+++ b/Doc/library/cookielib.rst
@@ -8,8 +8,8 @@
 
 .. note::
    The :mod:`cookielib` module has been renamed to :mod:`http.cookiejar` in
-   Python 3.0.  The :term:`2to3` tool will automatically adapt imports when
-   converting your sources to 3.0.
+   Python 3.  The :term:`2to3` tool will automatically adapt imports when
+   converting your sources to Python 3.
 
 .. versionadded:: 2.4