move asymmetric signature/verification interfaces
diff --git a/docs/hazmat/primitives/interfaces.rst b/docs/hazmat/primitives/interfaces.rst
index 2d40352..6029d1a 100644
--- a/docs/hazmat/primitives/interfaces.rst
+++ b/docs/hazmat/primitives/interfaces.rst
@@ -17,32 +17,8 @@
Asymmetric interfaces
---------------------
-.. class:: AsymmetricSignatureContext
-
- .. versionadded:: 0.2
-
- .. method:: update(data)
-
- :param bytes data: The data you want to sign.
-
- .. method:: finalize()
-
- :return bytes signature: The signature.
-
-
-.. class:: AsymmetricVerificationContext
-
- .. versionadded:: 0.2
-
- .. method:: update(data)
-
- :param bytes data: The data you wish to verify using the signature.
-
- .. method:: verify()
-
- :raises cryptography.exceptions.InvalidSignature: If the signature does
- not validate.
-
+In 0.8 the asymmetric signature and verification interfaces were moved to the
+:mod:`cryptography.hazmat.primitives.asymmetric` module.
In 0.8 the asymmetric padding interface was moved to the
:mod:`cryptography.hazmat.primitives.asymmetric.padding` module.