1. (adjective) capable of being corrected by additions

• amendable

1. (adjective) capable of being returned to the original condition; not necessarily permanent

• reversible

2. (adjective) capable of being corrected by additions

• corrigible

1. (adjective) capable of being corrected by additions

• ameliorate
• amend
• better
• improve
• meliorate
• amend
• rectify
• remediate
• remedy
• repair