Update google/cloud/bigquery/query.py

Co-authored-by: Tim Sweña (Swast) <[email protected]>

Author: Genesis929

google/cloud/bigquery/query.py

@@ -1342,7 +1342,9 @@ def started(self):
 
     @property
     def ended(self):
-        """Datetime at which the job finished.
+        """End time of this query.
+
+        This field will be present whenever a query is in the DONE state.
 
         See:
         https://cloud.google.com/bigquery/docs/reference/rest/v2/jobs/query#body.QueryResponse.FIELDS.end_time