If viewing the event listing table, filter for the desired event and click the name of the event or select "View" button. via the three dots If viewing the event calendar, click directly on the event. For repeating events, it does not matter which occurrence is selected.

If the event cannot be found, ensure the correct calendar is visible. Event calendar visibility can be toggled from the side bar.

Regardless of the method chosen, the event screen will open after choosing the "Go to Event" button in the side bar. Select "Edit event" from the "Actions" menu in the top right area. A pop-up will appear where the event details can be edited.

See this article for more information on the fields an event has.

When viewing a repeating event, clicking on the date next to the title opens a calendar that allows quick navigation to any other occurrence within the repeating schedule. Only days in bold are valid.​

Click on "Events" from the left navigation menu. 

If you are viewing the event listing table, you can filter for the event you want to edit and click on the "View" button. If you are viewing the event calendar, click on the event itself in the calendar. For repeating events, it does not matter which occurrence you use. 

If you cannot find the event for some reason, make sure you have visible the calendar the event is on. You can toggle event calendar visibility from the top right area above the calendar.

Regardless of which method you chose above, you will be sent to the event screen. Choose "Edit event" from the "Actions" menu in the top right area. A pop up will appear where you can edit the details of the event.

See this article for more information on the fields an event has.