add a SAN vector that's a single IDNA rfc822name
diff --git a/docs/development/test-vectors.rst b/docs/development/test-vectors.rst
index 69f54d3..eb4247b 100644
--- a/docs/development/test-vectors.rst
+++ b/docs/development/test-vectors.rst
@@ -145,6 +145,8 @@
``uniformResourceIdentifier`` general names with IDNA (:rfc:`5895`) encoding.
* ``san_rfc822_names.pem`` - An RSA 2048 bit self-signed certificate containing
a subject alternative name extension with various ``rfc822Name`` values.
+* ``san_rfc822_idna.pem`` - An RSA 2048 bit self-signed certificate containing
+ a subject alternative name extension with an IDNA ``rfc822Name``.
* ``san_uri_with_port.pem`` - An RSA 2048 bit self-signed certificate
containing a subject alternative name extension with various
``uniformResourceIdentifier`` values.