diff --git a/source/_integrations/calendar.markdown b/source/_integrations/calendar.markdown index 7f22f6acb03..90e2fbd1ea0 100644 --- a/source/_integrations/calendar.markdown +++ b/source/_integrations/calendar.markdown @@ -200,8 +200,8 @@ with calendar events within a date range. | Service data attribute | Optional | Description | Example | | ---------------------- | -------- | ----------- | --------| | `start_date_time` | yes | Return active events after this time (exclusive). When not set, defaults to now. | 2019-03-10 20:00:00 -| `end_date_time` | yes | Return active events before this time (exclusive). Cannot be used with 'duration'. | 2019-03-10 23:00:00 -| `duration` | yes | Return active events from start_date_time until the specified duration. | `days: 2` +| `end_date_time` | yes | Return active events before this time (exclusive). Cannot be used with `duration`. You must specify either `end_date_time` or `duration`.| 2019-03-10 23:00:00 +| `duration` | yes | Return active events from `start_date_time` until the specified duration. Cannot be used with `end_date_time`. You must specify either `duration` or `end_date_time`. | `days: 2`