add tbsCertList and signature interfaces to CRLs
diff --git a/docs/x509/reference.rst b/docs/x509/reference.rst
index 10ba9ec..35c00e6 100644
--- a/docs/x509/reference.rst
+++ b/docs/x509/reference.rst
@@ -504,6 +504,26 @@
The extensions encoded in the CRL.
+ .. attribute:: signature
+
+ .. versionadded:: 1.2
+
+ :type: bytes
+
+ The bytes of the CRL's signature.
+
+ .. attribute:: tbs_certlist_bytes
+
+ .. versionadded:: 1.2
+
+ :type: bytes
+
+ The DER encoded bytes payload (as defined by :rfc:`5280`) that is hashed
+ and then signed by the private key of the CRL's issuer. This data may be
+ used to validate a signature, but use extreme caution as CRL validation
+ is a complex problem that involves much more than just signature checks.
+
+
X.509 Certificate Builder
~~~~~~~~~~~~~~~~~~~~~~~~~