handle otherName, x400Address, and ediPartyName in OpenSSL backend
diff --git a/docs/x509.rst b/docs/x509.rst
index eed88b0..0ce9016 100644
--- a/docs/x509.rst
+++ b/docs/x509.rst
@@ -964,6 +964,11 @@
Returns the OID.
+.. class:: UnsupportedGeneralNameType
+
+ This is raised when a certificate contains an unsupported general name
+ type in an extension.
+
.. _`public key infrastructure`: https://en.wikipedia.org/wiki/Public_key_infrastructure
.. _`TLS`: https://en.wikipedia.org/wiki/Transport_Layer_Security