Use 'corrective' to describe actions aimed at fixing mistakes or problems. The software update included corrective patches for the security issues.
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Improving Performance
'Corrective' can refer to enhancements, not just fixing what's wrong. The athlete followed a corrective training program to improve his endurance.
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Proactive Intent
'Corrective' implies deliberate effort to address an issue, often before it gets worse. The manager's corrective guidance helped prevent further mistakes.