To access the Play Details menu to make changes, click on the Settings icon in the top right corner.
In the Play Details menu, you can type the Play Name and Play Notes in the relative text boxes, as well as select the Team, Series, and Season from the dropdown menus. You can also add Tags (more information can be found here) and change the Court Type (more information can be found here). If you would like to ignore the changes, press the "Cancel" button, otherwise, press the "Save" button to save the changes.
You can type in the Team and Series text boxes to search for an existing team/series or create a new one.