דברי הימים ב לב:כה פירוש: רש״י

But...did not repay Him according to that which He had bestowed upon him Hezekiah did not repay the Holy One, blessed be He in accordance with that which He had bestowed upon him by healing him.

for his heart became haughty as it is written (ibid. 20:13): “and he showed them his entire treasure-house...and in all his kingdom.”

and there was wrath upon him and upon Judah and Jerusalem because of this, and the author of this Book abridged it here because it is described in II Kings (20) and in Isaiah (39).