add intermediate CA vector for future AuthorityKeyIdentifier testing
diff --git a/docs/development/test-vectors.rst b/docs/development/test-vectors.rst
index d400e66..1c84435 100644
--- a/docs/development/test-vectors.rst
+++ b/docs/development/test-vectors.rst
@@ -102,6 +102,8 @@
tree.
* ``cryptography.io.pem`` - A leaf certificate issued by RapidSSL for the
cryptography website.
+* ``rapidssl_sha256_ca_g3.pem`` - The intermediate CA that issued the
+ ``cryptography.io.pem`` certificate.
* ``wildcard_san.pem`` - A leaf certificate issued by a public CA for
``langui.sh`` that contains wildcard entries in the SAN extension.
* ``san_edipartyname.der`` - A DSA certificate from a `Mozilla bug`_