This is the 12279th most frequent Russian word.
исправление
Correction.
In this sentence, 'исправление' refers to corrections or adjustments made to improve or fix something.
Я внёс исправления в текст доклада.
I made corrections to the text of the report.
Here, 'исправление' means the act or process of fixing mistakes or errors.
Исправление ошибок требует времени и внимания.
Correcting errors requires time and attention.
In this case, 'исправление' pertains to the improvement or modification of behavior in a systematic setting.