I noticed that too, was wondering why it kept doing that, I ended up having to use the history dialogue but the words are all cluttered together, making it hard to read with the words being overlapped.
I think the problem is that the explanation you gave only happens here and is never repeated again, so without you explaining this, most people would probably think that there a code error here.
Maybe make it optional for people to chose if the they want the dialogue to be read word for word or read how Lincoln (us) interpret the dialogue.