12 When the king came back from Damascus and saw the altar, he approached it and presented offeringsa on it.

Read 2 Kings 16:12 Using Other Translations

And when the king was come from Damascus, the king saw the altar: and the king approached to the altar, and offered thereon.
And when the king came from Damascus, the king viewed the altar. Then the king drew near to the altar and went up on it
When the king returned, he inspected the altar and made offerings on it.