When "(tunable)" was added to the RO return value that has Parent/Child turned on in the field, that return value will print "(turnable))" - with two closing parentheses.
In Vogtle data, Customer turned on Parent/Child on the Setpoint field in the Alarms CSD grouping.
Added "(tunable)" to the Setpoint's default value in CDS-ARP-001-172
The value looks good in the editor but prints with two closing parens.