Add missing parameter in SimpleXMLRPCServer signature.
diff --git a/Doc/library/simplexmlrpcserver.rst b/Doc/library/simplexmlrpcserver.rst
index 72b2365..c0819bf 100644
--- a/Doc/library/simplexmlrpcserver.rst
+++ b/Doc/library/simplexmlrpcserver.rst
@@ -20,7 +20,7 @@
 :class:`CGIXMLRPCRequestHandler`.
 
 
-.. class:: SimpleXMLRPCServer(addr[, requestHandler[, logRequests[, allow_none[, encoding]]]])
+.. class:: SimpleXMLRPCServer(addr[, requestHandler[, logRequests[, allow_none[, encoding[, bind_and_activate]]]])
 
    Create a new server instance.  This class provides methods for registration of
    functions that can be called by the XML-RPC protocol.  The *requestHandler*