The last part of this verse may be rendered, “There it (the border) turned toward the city of Baalah, which today is called Kiriath Jearim….”
Quoted with permission from Bratcher, Robert G. and Newman, Barclay M. A Handbook on Joshua. (UBS Helps for Translators). New York: UBS, 1983. For this and other handbooks for translators see here .