Sadly this isn't a true statement. The KJV Bible was translated from the Received Text for the NT and the Masoretic Text, with some Vulgate influence for the OT. Most Bibles today use the Received Text or the Majority Text for the NT as a foundation, but also use various other manuscript traditions as well for comparison and adjustments; and they use Masoretic Text as a foundation, plus various other manuscript traditions for the OT.
The question on whether or not the KJV Bible or any other Bible is translated corrected really requires going back to what manuscript tradition or traditions that it was translated from. Since the KJV Bible was translated exclusively from the Received text for the NT for example, while most modern Bibles are a conglomeration of various manuscript traditions; it makes since that there are going to be variations. The same goes for the D-R Bible as well, and for that matter the Vulgate, which was translated from manuscript traditions that we no longer are in possession of.
Just to give you an example of the differences between manuscript traditions, look at the link below which outlines the variations found between the Majority Text and the Received Text, which are the most popularly used texts for the NT.
The Majority Text Compared to the Received Text