श्रीवाल्मीकिरुवाच ।उपशमप्रकरणादनन्तरमिदं श्रृणु ।त्वं निर्वाणप्रकरणं ज्ञातं निर्वाणदायि यत्
In plain words
Śrī Vālmīki said: Listen now to this, coming immediately after the Upaśama Prakaraṇa -- the Nirvāṇa Prakaraṇa, which, once known, bestows nirvāṇa itself.