Add is_signature_valid method on CertificateRevocationList (#3849)
diff --git a/docs/x509/reference.rst b/docs/x509/reference.rst
index 8b97611..47f7625 100644
--- a/docs/x509/reference.rst
+++ b/docs/x509/reference.rst
@@ -563,6 +563,12 @@
over the network and used as part of a certificate verification
process.
+ .. method:: is_signature_valid(public_key)
+
+ .. versionadded:: 2.1
+
+ Returns True if the CRL signature is correct for given public key,
+ False otherwise.
X.509 Certificate Builder
~~~~~~~~~~~~~~~~~~~~~~~~~