Correctional vs Correctness - What's the difference?

As an adjective correctional

is of, pertaining to, or intended for correction.

freedom from error.

(en adjective)

Of, pertaining to, or intended for correction.

(chiefly, US) Of or pertaining to the imprisonment or rehabilitation of convicted criminals.

correctional''' officer'', '''''correctional''' policy'', '''''correctional services .

* correctional facility * correctional institution

(wikipedia correctness)

(en-noun)

freedom from error

conformity to the truth or to fact

conformity to recognized standards

(computing) The state of an algorithm that correctly mirrors its specification.

* incorrectness