Within Otus, you may to edit Flags that you have created within the platform.
Select Assign Flags in the top right corner of the page.
Click the pencil icon next to any Flag that has a solid colored circle next to the title. Solid colored circles indicate a Flag that you have created within your Teacher account. Half-colored circles represent District Flags and are only editable by Administrative users.
Edit title of the Flag and edit the color from the list. When satisfied, select Add.