diff --git a/OpenSSL/SSL.py b/OpenSSL/SSL.py
index d960eb3..325b825 100644
--- a/OpenSSL/SSL.py
+++ b/OpenSSL/SSL.py
@@ -595,7 +595,7 @@
         Configure this connection to people to use Elliptical Curve
         Diffie-Hellman key exchanges.
 
-        :param curve_name: One of the named curve constsants.
+        :param curve_name: One of the named curve constants.
         :return: None
         """
         if _lib.Cryptography_HAS_EC: