Use Python 3 instead of 3.0.
diff --git a/Doc/library/tix.rst b/Doc/library/tix.rst
index 8b5355d..ed68e81 100644
--- a/Doc/library/tix.rst
+++ b/Doc/library/tix.rst
@@ -24,9 +24,9 @@
 
 .. note::
 
-   :mod:`Tix` has been renamed to :mod:`tkinter.tix` in Python 3.0.  The
+   :mod:`Tix` has been renamed to :mod:`tkinter.tix` in Python 3.  The
    :term:`2to3` tool will automatically adapt imports when converting your
-   sources to 3.0.
+   sources to Python 3.
 
 .. seealso::