Pubishers have three options when plagiarism and/or errors are discovered. Such problems can be ignored, corrected or in extreme cases the book can be pulled from publication. In the case of David Barton’s book The Jefferson Lies, there were so many errors that correction was not a viable option so the book was pulled by publisher Thomas Nelson. In the case of Mark Driscoll’s Real Marriage, Thomas Nelson elected to correct the errors. I found several such errors in Real Marriage, most of which Thomas Nelson corrected (e.g., here).
An error I did not find was identified by Peter Lumpkins when Real Marriage was released in January 2012. I recently learned of this error and plan to add it to my grid of other problems. In summary, Lumpkins discovered that Driscoll added a word to a quote as if the word was a part of the original quote. The quote was sourced properly but Driscoll added a word to make it more supportive of his premise.
On page 172 in Real Marriage, Driscoll says the following:
The lengthy quote is from Tremper Longman’s book on Song of Solomon and is footnoted. However, in Longman’s book, as Lumpkin demonstrates, the word “oral” is not a part of the quote. Longman says: “Thus, this may be a subtle and tasteful allusion to the intimacies of sex.” (p. 195).
In another place in Real Marriage (p. 186), the same sentence is cited but the word “oral” is in brackets. This is a better practice but given that the word is unbracketed here, many readers would probably believe the the exact quote is as Driscoll presented it.
Lumpkins discovered another problem but it appears that the publisher corrected it. Go read his post for the details.