move x509 request vector docs to a new section
diff --git a/docs/development/test-vectors.rst b/docs/development/test-vectors.rst
index 4f42217..a0849a4 100644
--- a/docs/development/test-vectors.rst
+++ b/docs/development/test-vectors.rst
@@ -103,9 +103,14 @@
* ``utf8_common_name.pem`` - An RSA 2048 bit self-signed CA certificate
generated using OpenSSL that contains a UTF8String common name with the value
"We heart UTF8!™".
+
+Custom X.509 Request Vectors
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
* ``dsa_sha1.pem`` - Contains a certificate request using 1024-bit DSA
parameters and SHA1 generated using OpenSSL.
-* ``rsa_md4.pem`` - Contains a certificate request using 2048 bit RSA and MD4 generated using OpenSSL.
+* ``rsa_md4.pem`` - Contains a certificate request using 2048 bit RSA and MD4
+ generated using OpenSSL.
* ``rsa_sha1.pem`` - Contains a certificate request using 2048 bit RSA and
SHA1 generated using OpenSSL.
* ``rsa_sha256.pem`` - Contains a certificate request using 2048 bit RSA and