P72 B C K P 614 0209 1739 2492 Byz; Ambr has the original reading in 2 Peter 1:10, where we have Peter exhorting the brothers to “be all the more diligent to confirm your calling and choosing” (βεβαιαν υμων την κλησιν και εκλογην ποιεισθαι). A gloss, that is, a very short comment written by the scribe explaining