Alma 8:6

so that when he had finished his work at Melek, he departed thence, and travelled three days’ journey on the north of the land of Melek; and he came to a city which was called Ammonihah.

When he finished his work at Melek, he left. He traveled north for three days. He came to a city called Ammonihah.

When his work in Melek was done, he left and traveled north for three days until he came to a city called Ammonihah.