As for you, the anointing which you received from him remains in you, and you don't need for anyone to teach you. But as his anointing teaches you concerning all things, and is true, and is no lie, and even as it taught you, you will remain in him.
But that's just an addition to the text; you notice it's in italics. Which indicates it to be an addition to the text, and they're just trying to complete the thought, but the thought is complete enough without their addition. "Whosoever denies the Son has not the Father."