Document that public_bytes on certs and CSRs are new in 1.0
diff --git a/docs/x509.rst b/docs/x509.rst
index f94f50e..a3cf7e2 100644
--- a/docs/x509.rst
+++ b/docs/x509.rst
@@ -328,6 +328,8 @@
.. method:: public_bytes(encoding)
+ .. versionadded:: 1.0
+
:param encoding: The
:class:`~cryptography.hazmat.primitives.serialization.Encoding`
that will be used to serialize the certificate.
@@ -435,6 +437,8 @@
.. method:: public_bytes(encoding)
+ .. versionadded:: 1.0
+
:param encoding: The
:class:`~cryptography.hazmat.primitives.serialization.Encoding`
that will be used to serialize the certificate request.