How to Change the Name of Item Structures " Primary" to Something User Define Name

Summary:

Want to Change the Structure(BOM) Name Form primary to Something else.

Content (required): Manage Item Structure Type Details we can see that the "Primary" is OOB one and we can't End Date or Rename it. use don't want to select from LOV every time other than Primary.

Version (include the version you are using, if applicable): 21D

Code Snippet (add any code snippets that support your topic, if applicable):

Manage Item Structure Type Details

Here this is seeded Attribute and no option to end date