Do the cantrips from Pact of the Tome become Warlock spells and be based of CHA?

@JeremyECrawford Do the cantrips from Pact of the Tome become Warlock spells and be based of CHA?

— Robert Andrews (@JumboWheat01) December 4, 2016

Are Pact of the Tome cantrips considered warlock spells? See the Player's Handbook errata: https://t.co/vzc7twThef #DnD https://t.co/109cDFsdZJ

— Jeremy Crawford (@JeremyECrawford) December 5, 2016