Read Isaiah 6:7 Using Other Translations
And he laid it upon my mouth, and said, Lo, this hath touched thy lips; and thine iniquity is taken away, and thy sin purged.
And he touched my mouth and said: "Behold, this has touched your lips; your guilt is taken away, and your sin atoned for."
He touched my lips with it and said, “See, this coal has touched your lips. Now your guilt is removed, and your sins are forgiven.”