diff --git a/Doc/c-api/unicode.rst b/Doc/c-api/unicode.rst
index eb99013395360a..681bff0cb5abfb 100644
--- a/Doc/c-api/unicode.rst
+++ b/Doc/c-api/unicode.rst
@@ -849,7 +849,7 @@ argument parsing, the ``"O&"`` converter should be used, passing
    ParseTuple converter: encode :class:`str` objects -- obtained directly or
    through the :class:`os.PathLike` interface -- to :class:`bytes` using
    :c:func:`PyUnicode_EncodeFSDefault`; :class:`bytes` objects are output as-is.
-   *result* must be a :c:type:`PyBytesObject*` which must be released when it is
+   *result* must be a :c:expr:`PyBytesObject*` which must be released when it is
    no longer used.
 
    .. versionadded:: 3.1