diff --git a/docs/development/test-vectors.rst b/docs/development/test-vectors.rst
index a682562..936540e 100644
--- a/docs/development/test-vectors.rst
+++ b/docs/development/test-vectors.rst
@@ -73,6 +73,8 @@
 * ``post2000utctime.pem`` - Contains an RSA 2048 bit certificate with the
   ``notBefore`` and ``notAfter`` fields encoded as post-2000 ``UTCTime``.
 * ``dsa_root.pem`` - Contains a DSA root certificate generated using OpenSSL.
+* ``ec_no_named_curve.pem`` - Contains an ECDSA certificate that does not have
+  an embedded OID defining the curve.
 
 Hashes
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