Once logged in go to your My Sessions page to see you sessions cards.
Click on the eye button for the session you wish to edit. This will take you to the session page.
Next, click on the 'Unpublish & Edit' button in the top right corner of the session page.
Then make changes to anything you like and ensure you add a photo and check location.
Make sure you go through to the end and click 'Save & Publish'
Once this is done your session will be up to date and show in your sessions page as Published.
If you need further support
At any point you can click on the messaging icon in the bottom right-hand corner of the screen to chat to one of the Open Sessions team.