Use Python 3 instead of 3.0.
diff --git a/Doc/library/sys.rst b/Doc/library/sys.rst
index 691b30c..989e7f4 100644
--- a/Doc/library/sys.rst
+++ b/Doc/library/sys.rst
@@ -797,10 +797,10 @@
.. data:: py3kwarning
- Bool containing the status of the Python 3.0 warning flag. It's ``True``
+ Bool containing the status of the Python 3 warning flag. It's ``True``
when Python is started with the -3 option. (This should be considered
read-only; setting it to a different value doesn't have an effect on
- Python 3.0 warnings.)
+ Python 3 warnings.)
.. versionadded:: 2.6