Change in Book of Mormon wording

News media, including the Associated Press (article here) have picked up a story about the addition of the word "among" to the introduction of the Book of Mormon. Apparently, this has become an issue of interest for critics of the Church. From the AP article,

What's the big deal? Church defenders say there is nothing important in the change.

But skeptics view it differently. The issue is that church missionaries have long portrayed Book of Mormon stories as fact. To them, it looks like the new wording is a quiet concession that DNA research accurately contradicts the scriptural claim.

Anyone unfamiliar with the Book of Mormon might assume from reports of this change that the actual text of the Book of Mormon was changed. This is not the case. The introduction is not part of the original text as translated from the original records, but an editorial explanation of the origin of the sacred text, somewhat akin to the introduction in a King James translation of the Bible.
Now to address the actual issue of "the scriptural claim" that Israelites were the sole inhabitants of the Americas and thus the ancestors of the Native Americans. The Book of Mormon does not make this claim. The arrival of three separate groups in the Americas are recorded in the text, one of which was contemporary with the Tower of Babel. I could be wrong, but I don't believe that the text makes any claims that no other groups came.
While I'm somewhat on the topic, I should say something else. Attempting to disprove or prove the historical account of the Book of Mormon is not the appropriate way to come to a sure knowledge of its veracity. This knowledge can come only from God. The Book of Mormon prophet Moroni, in the last chapter of the Book of Mormon, explains,

3 Behold, I would exhort you that when ye shall read these things, if it be wisdom in God that ye should read them, that ye would remember how merciful the Lord hath been unto the children of men, from the creation of Adam even down until the time that ye shall receive these things, and ponder it in your hearts.
4 And when ye shall receive these things, I would exhort you that ye would ask God, the Eternal Father, in the name of Christ, if these things are not true; and if ye shall ask with a sincere heart, with real intent, having faith in Christ, he will manifest the truth of it unto you, by the power of the Holy Ghost.
5 And by the power of the Holy Ghost ye may know the truth of all things. (Moroni 10:3-5)

Pretty simple, huh? When you sincerely want to know the truth, pray and ask God whether the Book of Mormon is true, and you will receive an answer. If you want truth, go to the source of all truth. This is how I know that the Book of Mormon is true, that Joseph Smith was a prophet of God, and that the Church of Jesus Christ of Latter-day Saints is the only true and living church.