--- a/_exceptions.py	Wed Jul 17 15:02:28 2013 +0200
+++ b/_exceptions.py	Mon Jul 22 14:57:37 2013 +0200
@@ -61,7 +61,7 @@
     """
 
 class AuthenticationError(ConnectionError):
-    """raised when when an attempt to establish a connection failed do to wrong
+    """raised when an attempt to establish a connection failed due to wrong
     connection information (login / password or other authentication token)
     """