From the BEA: Gross Domestic Product: First Quarter 2015 (Second Estimate)
Real gross domestic product — the value of the production of goods and services in the United States, adjusted for price changes — decreased at an annual rate of 0.7 percent in the first quarter of 2015, according to the “second” estimate released by the Bureau of Economic Analysis. …
The GDP estimate released today is based on more complete source data than were available for the “advance” estimate issued last month. In the advance estimate, real GDP increased 0.2 percent. With the second estimate for the first quarter, imports increased more and private inventory investment increased less than previously estimated …
emphasis added
Here is a Comparison of Second and Advance Estimates. PCE growth was revised down from 1.9% to 1.8%. Residential investment was revised up from 1.3% to 5.0%.
Net exports was revised down, private inventory investment was revised down, and government was revised down (from -0.8% to -1.1%).