Issue #19795: Mark up None as literal text.
diff --git a/Doc/c-api/none.rst b/Doc/c-api/none.rst
index b9ac269..45568fe 100644
--- a/Doc/c-api/none.rst
+++ b/Doc/c-api/none.rst
@@ -2,8 +2,8 @@
 
 .. _noneobject:
 
-The None Object
----------------
+The ``None`` Object
+-------------------
 
 .. index:: object: None
 
@@ -23,4 +23,4 @@
 .. c:macro:: Py_RETURN_NONE
 
    Properly handle returning :c:data:`Py_None` from within a C function (that is,
-   increment the reference count of None and return it.)
+   increment the reference count of ``None`` and return it.)