Add class docstring.

tseaver · tseaver · commit c368db32d1ce · 2015-02-17T15:26:16.000-05:00
diff --git a/gcloud/datastore/dataset.py b/gcloud/datastore/dataset.py
@@ -23,6 +23,7 @@
 
 
 class Dataset(object):
+    """Convenience wrapper for invoking APIs/factories w/ a dataset ID."""
 
     def __init__(self, dataset_id):
         if dataset_id is None:
