This is easy to remedy. When in need of instriction in the faith ask the Catholics or the Orthodox, and it will be better understood.
And this raises a problem I have cited several times. Since the advent of the printing press, the distribution of the Bible has far surpassed the Apostolic Church's ability to personally explain it to every holder. This disparity grows more and more pronounced every year. (I am proud that our Baptist missionaries have a little to do with it. :) Millions of people have no access at all to any Apostolics to ask what they are reading means. Should they have never been given a Bible in the first place?
I'm actually surprised that the respective RC and Orthodox Churches haven't (to my knowledge) written one, definitive, several thousand-page-long work that interprets the Bible verse-by-verse. Then you could distribute that, along with the Bibles you give out.