Berean Standard Bible (BSB)
and this is the account of his rebellion against the king. Solomon had built the supporting terraces and repaired the gap in the wall of the city of his father David.
World English Bible (WEB)
This was the reason why he lifted up his hand against the king: Solomon built Millo, and repaired the breach of the city of David his father.
Strong's King James
And this was the cause{H1697} that he lifted up{H7311}{(H8689)} his hand{H3027} against the king{H4428}: Solomon{H8010} built{H1129}{(H8804)} Millo{H4407}, and repaired{H5462}{(H8804)} the breaches{H6556} of the city{H5892} of David{H1732} his father{H1}.
The F.O.G *
The F.O.G Message *
Young's Literal Translation
and this is the thing for which he lifted up a hand against the king: Solomon built Millo—he shut up the breach of the city of David his father,