Valmiki Ramayana 6.94.40

इत्यार्षे श्रीमद्रामायणे वाल्मीकीये आदिकाव्ये श्रीमद्युद्धकाण्डे चतुर्नवतितमः सर्गः॥

ityārṣe śrīmadrāmāyaṇe vālmīkīye ādikāvye śrīmadyuddhakāṇḍe caturnavatitamaḥ sargaḥ ||

Our plain-language meaning of this verse is waiting for scholar review.