Issue #7631: Fix undefined references to the "built-in file object", which
has ceased to be.
diff --git a/Doc/library/tokenize.rst b/Doc/library/tokenize.rst
index d66b07c..7017045 100644
--- a/Doc/library/tokenize.rst
+++ b/Doc/library/tokenize.rst
@@ -18,9 +18,8 @@
 
    The :func:`tokenize` generator requires one argument, *readline*, which
    must be a callable object which provides the same interface as the
-   :meth:`readline` method of built-in file objects (see section
-   :ref:`bltin-file-objects`).  Each call to the function should return one
-   line of input as bytes.
+   :meth:`io.IOBase.readline` method of file objects.  Each call to the
+   function should return one line of input as bytes.
 
    The generator produces 5-tuples with these members: the token type; the
    token string; a 2-tuple ``(srow, scol)`` of ints specifying the row and