Sometimes I "predict" things, infrequently during a conversation I'll know exactly what someone is going to say, it will play in my head, then they say it. Obviously there is no such thing as the supernatural, and even with knowledge of determinism I doubt I could predict things like that. It's not just generic phrases either.

Even though I'm aware of it and it has happened many times, I never, ever point it out or bring it up until the "prediction" becomes true. Because of this, I think my brain is retroactively changing memories.

Is this a documented phenomenon?