Issue more clarification added to __load_or_create method
docstring
@@ -27,7 +27,9 @@ class NiftyNetGlobalConfig(object):
def __load_or_create(self, config_file):
"""Load passed configuration file, if it exists; create a default
- otherwise.
+ otherwise. If this method finds an incorrect config file, it
+ backs the file up with a human-readable timestamp suffix and
+ creates a default one.
:param config_file: no sanity checks are performed, as this
method is for internal use only
