Barry Webb correctly notes that "by the time this note is introduced the focus of the narrative has shifted from conquest to co-existence. When the whole process of conquest and settlement has run its course, Israel dwells within 'the border of the Amorites.' The Amorites/Canaanites are still the inhabitants of the land among whom Israel dwells (see esp. Judges 1:32a, Judges 1:33b). This note provides a final sardonic comment on the chapter as a whole, and on verses 22–35 in particular. Formally it is parallel to the notes appended to the Judah section."1
36 And the border of the Amorites ran from the ascent of Akrabbim, from Sela and upward.