Verse 22

विदितं सत्तदेवेदमविद्याक्षयसंज्ञितम् ।विद्याभावादविद्याख्यामिथ्यैवोदेति कल्पना

In plain words

That very same, being recognized, is termed the ending of avidyā. From the absence of vidyā arises the kalpanā called avidyā -- false through and through.