Apply suggestions from code review

Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>

Author: ambv

Doc/reference/simple_stmts.rst

@@ -836,7 +836,7 @@ The *public names* defined by a module are determined by checking the module's
 namespace for a variable named ``__all__``; if defined, it must be a sequence
 of strings which are names defined or imported by that module.
 Names containing non-ASCII characters must be in the `normalization form`_
-NFKC; see :ref:`lexical-names-nonascii` for details.  The names
+NFKC.  The names
 given in ``__all__`` are all considered public and are required to exist.  If
 ``__all__`` is not defined, the set of public names includes all names found
 in the module's namespace which do not begin with an underscore character