I'm saying to the carpenter, TAKE that nail back and revise the construction.
correct or revise ★☆☆☆☆ 訂 (revise) + 正 (correct) = 訂正 ( correct or revise )
to correct or revise some written thing - lyrics, a report, an article, or even (god forbid) a Kanji book.
KANJIDAMAGE