diff --git a/Doc/c-api/init_config.rst b/Doc/c-api/init_config.rst
index 21f1ebc030186c4..435dec10c6ecc38 100644
--- a/Doc/c-api/init_config.rst
+++ b/Doc/c-api/init_config.rst
@@ -1427,6 +1427,10 @@ 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 5cbe3080ff875cc..3e664d8a6c18364 100644
--- a/Doc/c-api/unicode.rst
+++ b/Doc/c-api/unicode.rst
@@ -911,6 +911,8 @@ system.
       used for ``strict``.
 
 
+.. _capi-filesystem-encoding:
+
 File System Encoding
 """"""""""""""""""""