diff --git a/keystoneclient/contrib/ec2/utils.py b/keystoneclient/contrib/ec2/utils.py
index d093b6e6c..95e4bb188 100644
--- a/keystoneclient/contrib/ec2/utils.py
+++ b/keystoneclient/contrib/ec2/utils.py
@@ -28,7 +28,7 @@ from keystoneclient.i18n import _
 
 
 class Ec2Signer(object):
-    """Utility class which adds allows a request to be signed with an AWS style
+    """Utility class which allows a request to be signed with an AWS style
     signature, which can then be used for authentication via the keystone ec2
     authentication extension.
     """