Merge CRL, Revoked into certificate revocation section
diff --git a/doc/api/crypto.rst b/doc/api/crypto.rst
index 8a31da5..251019f 100644
--- a/doc/api/crypto.rst
+++ b/doc/api/crypto.rst
@@ -121,6 +121,23 @@
 
     See also the man page for the C function :py:func:`PKCS12_parse`.
 
+
+.. _crl:
+
+
+.. autoclass:: CRL
+               :members:
+               :special-members:
+               :exclude-members: __weakref__
+
+
+.. _revoked:
+
+
+.. autoclass:: Revoked
+               :members:
+
+
 Signing and verifying signatures
 --------------------------------
 
@@ -281,24 +298,6 @@
                :special-members:
                :exclude-members: __weakref__
 
-.. _crl:
-
-CRL objects
------------
-
-.. autoclass:: CRL
-               :members:
-               :special-members:
-               :exclude-members: __weakref__
-
-.. _revoked:
-
-Revoked objects
----------------
-
-.. autoclass:: Revoked
-               :members:
-
 Digest names
 ------------