diff --git a/pep-0529.txt b/pep-0529.txt
index 42bbcc78e..57d91d4f4 100644
--- a/pep-0529.txt
+++ b/pep-0529.txt
@@ -198,7 +198,7 @@ Add legacy mode
 
 Add a legacy mode flag, enabled by the environment variable
 ``PYTHONLEGACYWINDOWSFSENCODING`` or by a function call to
-``sys.enable_legacy_windows_fs_encoding()``. The function call can only be
+``sys._enablelegacywindowsfsencoding()``. The function call can only be
 used to enable the flag and should be used by programs as close to
 initialization as possible. Legacy mode cannot be disabled while Python is
 running.
@@ -231,7 +231,7 @@ reporting of problems.
 If it is decided to revert the functionality for 3.6.0rc1, the implementation
 change would be to permanently enable the legacy mode flag, change the
 environment variable to ``PYTHONWINDOWSUTF8FSENCODING`` and function to
-``sys.enable_windows_utf8_fs_encoding()`` to allow enabling the functionality
+``sys._enablewindowsutf8fsencoding()`` to allow enabling the functionality
 on a case-by-case basis, as opposed to disabling it.
 
 It is expected that if we cannot feasibly make the change for 3.6 due to