Extra value in the category colomn in attachments is not showing

Summary:

When adding attachments to an Asset you can choose an category where the attachement falls under. The client would like to add multiple options under the category colomn, but for now the extra option that i added is not showing.

I copied the details of the existing value in 'Manage Attachment Categories' and renamed it to see if it will show, but unfortunatly without succes.

Does anyone know what can be done to make this work?

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