The statement is correct for global temperatures. The NASA corrections were for U.S. temperatures.
You are correct, and also YOU should state that there are VERY FEW temperature stations with ACCURATE data from places other than EUROPE and the USA. Using inaccurate temperature data from other places skews results. Garbagein=Garbage out. Also, last Sothern Hemisphere winter showed largest recorded area of SEA ICE, and new Sat data is showing INCREASING mass of Antarctic ice, which MORE than offsets losses in Greenland.
Now I'm really confused. So Nasa's data that they just changed said the hottest years in a century were in the 1930's ONLY in the US? I had no idea there was isolated heating in only one country.