Fix typo in os.supports_effective_ids documentation.

diff --git a/Doc/library/os.rst b/Doc/library/os.rst
index f217a36f4de72b84d1b8a2289a9755925c8f1ea2..98ee842126337e3ea7ea2802c846d5988267c081 100644 (file)
--- a/Doc/library/os.rst
+++ b/Doc/library/os.rst
@@ -2159,7 +2159,8 @@ features:
    contain :func:`os.access`, otherwise it will be empty.
 
    To check whether you can use the *effective_ids* parameter for
-   :func:`os.access`, use the ``in`` operator on ``supports_dir_fd``, like so::
+   :func:`os.access`, use the ``in`` operator on ``supports_effective_ids``,
+   like so::
 
        os.access in os.supports_effective_ids