yāvatā śakyate śaṃ no devīrabhiṣṭaya ityāder vedavākyasya pāṭho 'nyathāpi kartuṃ, artho vā vyākhyātum
Indeed it is possible to alter the recitation of Vedic sentences like "śaṃ no devīrabhiṣṭaye" etc., or to explain their meaning differently.