diff --git a/cryptography/hazmat/backends/interfaces.py b/cryptography/hazmat/backends/interfaces.py
index f02890e..e4e69f1 100644
--- a/cryptography/hazmat/backends/interfaces.py
+++ b/cryptography/hazmat/backends/interfaces.py
@@ -94,7 +94,8 @@
     @abc.abstractmethod
     def create_rsa_signature_ctx(self, private_key, padding, algorithm):
         """
-        Returns an object conforming to the AsymmetricSignContext interface.
+        Returns an object conforming to the AsymmetricSignatureContext
+        interface.
         """
 
     @abc.abstractmethod
diff --git a/cryptography/hazmat/primitives/interfaces.py b/cryptography/hazmat/primitives/interfaces.py
index ea29e71..f5d301d 100644
--- a/cryptography/hazmat/primitives/interfaces.py
+++ b/cryptography/hazmat/primitives/interfaces.py
@@ -287,7 +287,7 @@
         """
 
 
-class AsymmetricSignContext(six.with_metaclass(abc.ABCMeta)):
+class AsymmetricSignatureContext(six.with_metaclass(abc.ABCMeta)):
     @abc.abstractmethod
     def update(self, data):
         """
diff --git a/docs/hazmat/primitives/interfaces.rst b/docs/hazmat/primitives/interfaces.rst
index e4ae3e9..e97f40f 100644
--- a/docs/hazmat/primitives/interfaces.rst
+++ b/docs/hazmat/primitives/interfaces.rst
@@ -231,13 +231,13 @@
         The public exponent. Alias for :attr:`public_exponent`.
 
 
-.. class:: AsymmetricSignContext
+.. class:: AsymmetricSignatureContext
 
     .. versionadded:: 0.2
 
     .. method:: update(data)
 
-        :param bytes data: The data you wish to pass into the context.
+        :param bytes data: The data you want to sign.
 
     .. method:: finalize()
 
@@ -250,7 +250,7 @@
 
     .. method:: update(data)
 
-        :param bytes data: The data you wish to pass into the context.
+        :param bytes data: The data you wish to verify using the signature.
 
     .. method:: finalize()