diff --git a/Doc/c-api/init_config.rst b/Doc/c-api/init_config.rst
index 400a05758c9517..fa23070d72937a 100644
--- a/Doc/c-api/init_config.rst
+++ b/Doc/c-api/init_config.rst
@@ -1439,6 +1439,10 @@ PyConfig
 
       See also the :c:member:`~PyConfig.filesystem_errors` member.
 
+      See also :c:func:`PyUnicode_EncodeFSDefault` and
+      :ref:`related functions <capi-filesystem-encoding>`
+      for encoding paths at runtime.
+
    .. c:member:: wchar_t* filesystem_errors
 
       :term:`Filesystem error handler <filesystem encoding and error handler>`:
diff --git a/Doc/c-api/unicode.rst b/Doc/c-api/unicode.rst
index 4dbb5945ca6461..879c8c6033d856 100644
--- a/Doc/c-api/unicode.rst
+++ b/Doc/c-api/unicode.rst
@@ -812,6 +812,8 @@ system.
       used for ``strict``.
 
 
+.. _capi-filesystem-encoding:
+
 File System Encoding
 """"""""""""""""""""