8.13 He who departs by leaving the body while uttering the single syllable, viz Om, which is Brahman, and thinking of Me, he attains the supreme Goal.
English Translation Of Sri Shankaracharya's Sanskrit Commentary By Swami Gambirananda
8.13 Yah, he who; prayati, departs, dies; tyajan, by leaving; deham, the body-the phrase 'leaving the body' is meant for alifying departure; thery it is implied that the soul's departure occurs by abandoning the body, and not through the destruction of its own reality, having abandoned thus-; vyaharan, while uttering; the eka-adsaram, single syllable; om iti brahma, viz Om, which is Brahman, Om which is the name of Brahman; and anusmaran, thinking; mam, of Me, of God who is implied by that (syllable); sah, he; yati, attains; the paramam, supreme, best; gatim, Goal.
Further,
