Judah his portion in the holy land - Lest the joining of the Gentile “nations to Jehovah” (Zec 2:11) should lead the Jews to fear that their peculiar relation to Him (Deu 4:20; Deu 9:29; Deu 32:9) as “His inheritance” should cease, this verse is added to assure them of His making them so hereafter “again.”
choose Jerusalem again - The course of God’s grace was interrupted for a time, but His covenant was not set aside (Rom 11:28, Rom 11:29); the election was once for all, and therefore shall hold good for ever.