Issue #24729: Correct reference to open function.

Doc/tutorial/inputoutput.rst

@@ -248,8 +248,8 @@ omitted.
 
 Normally, files are opened in :dfn:`text mode`, that means, you read and write
 strings from and to the file, which are encoded in a specific encoding. If
-encoding is not specified the default is platform dependent (see :func:`~functions.open`).
-``'b'`` appended to the mode opens the file in
+encoding is not specified, the default is platform dependent (see
+:func:`open`). ``'b'`` appended to the mode opens the file in
 :dfn:`binary mode`: now the data is read and written in the form of bytes
 objects.  This mode should be used for all files that don't contain text.
 

Misc/NEWS

@@ -396,6 +396,9 @@ C API
 Documentation
 -------------
 
+- Issue #24729: Correct IO tutorial to match implementation regarding
+  encoding parameter to open function.
+
 - Issue #24351: Clarify what is meant by "identifier" in the context of
   string.Template instances.