Use Python 3 instead of 3.0.
diff --git a/Doc/reference/datamodel.rst b/Doc/reference/datamodel.rst
index 0d87873..d76dc92 100644
--- a/Doc/reference/datamodel.rst
+++ b/Doc/reference/datamodel.rst
@@ -573,7 +573,7 @@
          :attr:`im_self` used to refer to the class that defined the method.
 
       .. versionchanged:: 2.6
-         For 3.0 forward-compatibility, :attr:`im_func` is also available as
+         For Python 3 forward-compatibility, :attr:`im_func` is also available as
          :attr:`__func__`, and :attr:`im_self` as :attr:`__self__`.
 
       .. index::
@@ -1149,7 +1149,7 @@
    single: class; classic
    single: class; old-style
 
-Old-style classes are removed in Python 3.0, leaving only the semantics of
+Old-style classes are removed in Python 3, leaving only the semantics of
 new-style classes.
 
 
@@ -2235,7 +2235,7 @@
 This section used to document the rules for coercion.  As the language has
 evolved, the coercion rules have become hard to document precisely; documenting
 what one version of one particular implementation does is undesirable.  Instead,
-here are some informal guidelines regarding coercion.  In Python 3.0, coercion
+here are some informal guidelines regarding coercion.  In Python 3, coercion
 will not be supported.
 
 *
diff --git a/Doc/reference/expressions.rst b/Doc/reference/expressions.rst
index a7c66d3..53947a9 100644
--- a/Doc/reference/expressions.rst
+++ b/Doc/reference/expressions.rst
@@ -1392,7 +1392,7 @@
 
 .. [#] In Python 2.3 and later releases, a list comprehension "leaks" the control
    variables of each ``for`` it contains into the containing scope.  However, this
-   behavior is deprecated, and relying on it will not work in Python 3.0
+   behavior is deprecated, and relying on it will not work in Python 3.
 
 .. [#] While ``abs(x%y) < abs(y)`` is true mathematically, for floats it may not be
    true numerically due to roundoff.  For example, and assuming a platform on which