As a team admin or team owner, you are able to change settings for your team. This include things like team name, team chat, event reminders and more.
From the App
Navigate to the Teams tab
Click the 3 dots in the team banner then click Edit team
Make the edits you wish and click Save in the top right corner
From the Web
Select your team from the Dropdown in the top right
Navigate to Home page in the left menu bar
Locate the Team Card and click Settings
Make the edits you wish and click Save