You can easily change the name and slug of an organization. Both are editable.
To edit an organization's name and/or slug, follow these steps.
From a project page, click the See available projects button to view the Overview page.
Locate the organization you want to edit and click the Gear icon next to an organization name.
In the Edit Organization page, make changes:
Update the Name.
Set the slider to On to make the slug editable and make any changes as required. Be aware of the consequences of changing the slug. See the Warning above.
Click Update Organization.