They're definitely referring to the flash storage as ROM here. It's not entirely inaccurate since flash is a type of EEPROM (but still mostly inaccurate because

They're definitely referring to the flash storage as ROM here. It's not entirely inaccurate since flash is a type of EEPROM (but still mostly inaccurate because that "electronically erasable, programmable" part is a seriously powerful modifier to the "read-only memory" part)