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.)
diff --git a/Doc/c-api/unicode.rst b/Doc/c-api/unicode.rst
index 12a861e..26831c4 100644
--- a/Doc/c-api/unicode.rst
+++ b/Doc/c-api/unicode.rst
@@ -1410,11 +1410,11 @@
 decode characters.
 
 Decoding mappings must map single string characters to single Unicode
-characters, integers (which are then interpreted as Unicode ordinals) or None
+characters, integers (which are then interpreted as Unicode ordinals) or ``None``
 (meaning "undefined mapping" and causing an error).
 
 Encoding mappings must map single Unicode characters to single string
-characters, integers (which are then interpreted as Latin-1 ordinals) or None
+characters, integers (which are then interpreted as Latin-1 ordinals) or ``None``
 (meaning "undefined mapping" and causing an error).
 
 The mapping objects provided must only support the __getitem__ mapping
@@ -1455,7 +1455,7 @@
    *NULL* when an exception was raised by the codec.
 
    The *mapping* table must map Unicode ordinal integers to Unicode ordinal
-   integers or None (causing deletion of the character).
+   integers or ``None`` (causing deletion of the character).
 
    Mapping tables need only provide the :meth:`__getitem__` interface; dictionaries
    and sequences work well.  Unmapped character ordinals (ones which cause a
@@ -1572,7 +1572,7 @@
    resulting Unicode object.
 
    The mapping table must map Unicode ordinal integers to Unicode ordinal integers
-   or None (causing deletion of the character).
+   or ``None`` (causing deletion of the character).
 
    Mapping tables need only provide the :meth:`__getitem__` interface; dictionaries
    and sequences work well.  Unmapped character ordinals (ones which cause a