Source : Webster's Revised Unabridged Dictionary (1913)

Correctible \Cor*rect"i*ble\ (-r?k"t?-b'l), Correctable
\Cor*rect"a*ble\ (-r?k"t?-b'l), a.
   Capable of being corrected.

Source : WordNet®

correctable
     adj 1: capable of being returned to the original condition; not
            necessarily permanent; "a correctable image"
     2: capable of being corrected by additions; "an amendable flaw"
        [syn: {amendable}]