Forum:About Zabuza Article

What are some of the discrepancies from this statement on the Zabuza article? "The fights with Zabuza happened very early in the manga. Masashi Kishimoto would alter his ideas somewhat after that, causing there to be slight discrepancies between this and later explanations/appearances of certain moves." I don't remember that many differences from the Zabuza arc between the anime and the manga, if this is what the statement is implying. Or is it saying that later in part 2 of the manga there were conflicts in the timeline of the story? Is there any chapter where I can see this for myself?