Clarify what to pass to the sign-function (#3066)

Sign needs an ECDSA instance and from following the link to EllipticCurveSignatureAlgorithm, that wasn't clear directly.
pyca · Jul 30, 2016 · dacdbb9 · dacdbb9
1 parent 6e9e489
commit dacdbb9
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/docs/hazmat/primitives/asymmetric/ec.rst b/docs/hazmat/primitives/asymmetric/ec.rst
@@ -415,7 +415,7 @@ Key Interfaces
         :param bytes data: The message string to sign.
 
         :param signature_algorithm: An instance of
-            :class:`EllipticCurveSignatureAlgorithm`.
+            :class:`EllipticCurveSignatureAlgorithm`, such as :class:`ECDSA`.
 
         :return bytes: Signature.