The rest of the acts of Zachariah, &c. We read of nothing that he did; therefore the meaning is, that his behaviour during the six months in which he reigned, how he managed things, and provoked this conspiracy, are recorded elsewhere.
Related Commentaries of 2 Kings 15:11
2 Kings 15:11
11 And the rest of the acts of Zachariah, behold, they are written in the book of the chronicles of the kings of Israel.