code: func notaryRoleToSigner(tufRole data.RoleName) string {
  	//  don't show a signer for "targets" or "targets/releases"
  	if isReleasedTarget(data.RoleName(tufRole.String())) {
  		return releasedRoleName
  	}
  	return strings.TrimPrefix(tufRole.String(), "targets/")
  }
docs: // notaryRoleToSigner converts TUF role name to a human-understandable signer name