Original sentence: GISS has acknowledged the error and incorporated it in their data set.Stephen McIntyre found an error in the surface temperature record kept by GISS.The error affects the surface temperature record from 2000 through 2007
Edited sentence: By correcting the data set, 1998 and 2006 are no longer the warmest years in the U.GISS has admitted the error and credited Stephen McIntyre for finding it.Now 1934 is the warmest year and the 1930s are the warmest decade of the 20th century.Stephen McIntyre found a significant error in the instrument temperature record kept by GISS.The error affects temperature record from 2000 through 2007