The name of a case type is not referenced in any background code so changing this should not have any adverse effects. To rename a Case Type:
Open Case Type Maintenance
Select the Case Type you wish to rename
Click Update
Enter the required name
Click Save
Please be aware that users may need to log out of Proclaim and back in to see the changes.
If you have any further questions or issues regarding this then please raise a new case online and reference the title of this article.