diff --git a/nifty4/multi/multi_domain.py b/nifty4/multi/multi_domain.py index 90894bedc4f7bab1a430b20cacd9c240bc0fae28..fc2116f7d5de2cdeecf066f9ce2a42121a57cb32 100644 --- a/nifty4/multi/multi_domain.py +++ b/nifty4/multi/multi_domain.py @@ -49,7 +49,7 @@ class MultiDomain(frozendict): def __init__(self, domain, _callingfrommake=False): if not _callingfrommake: - raise NotImplementedError + raise NotImplementedError('To create a MultiDomain call `MultiDomain.make()`.') super(MultiDomain, self).__init__(domain) @staticmethod