diff --git a/docs/hazmat/backends/interfaces.rst b/docs/hazmat/backends/interfaces.rst
index 0a0d145..942a359 100644
--- a/docs/hazmat/backends/interfaces.rst
+++ b/docs/hazmat/backends/interfaces.rst
@@ -585,6 +585,14 @@
         :returns: A new instance of
             :class:`~cryptography.x509.RevokedCertificate`.
 
+    .. method:: x509_name_bytes(name)
+
+        .. versionadded:: 1.6
+
+        :param name: An instance of :class:`~cryptography.x509.Name`.
+
+        :return bytes: The DER encoded bytes.
+
 .. class:: DHBackend
 
     .. versionadded:: 0.9