Issue #19795: Mark up None as literal text.
diff --git a/Doc/library/ssl.rst b/Doc/library/ssl.rst
index 5812af8..1302487 100644
--- a/Doc/library/ssl.rst
+++ b/Doc/library/ssl.rst
@@ -449,8 +449,8 @@
:meth:`SSLContext.set_default_verify_paths`. The return value is a
:term:`named tuple` ``DefaultVerifyPaths``:
- * :attr:`cafile` - resolved path to cafile or None if the file doesn't exist,
- * :attr:`capath` - resolved path to capath or None if the directory doesn't exist,
+ * :attr:`cafile` - resolved path to cafile or ``None`` if the file doesn't exist,
+ * :attr:`capath` - resolved path to capath or ``None`` if the directory doesn't exist,
* :attr:`openssl_cafile_env` - OpenSSL's environment key that points to a cafile,
* :attr:`openssl_cafile` - hard coded path to a cafile,
* :attr:`openssl_capath_env` - OpenSSL's environment key that points to a capath,