I will point out that there's a -very- fine line between good explaining and patronising. Its hard to tread that line in written work, and easier to manage in a

I will point out that there's a -very- fine line between good explaining and patronising. Its hard to tread that line in written work, and easier to manage in a verbal context. And I prefer to use the phrase "that is not completely accurate" over "you are wrong" as it gets less of a defensive reaction.