PS4 adjustment up? PS4 now >300k overtracked...

[Ryng]

http://www.vgchartz.com/weekly/42064/Global/

What? O.o

The PS4 was at 20.34 million sold before the adjusment according to VGChartz. After the adjustment, PS4 is at 20.53 million.

Now... The question is, why those adjusment!? O.o

I mean, Sony CONFIRMED the PS4 was at 20.2 million sold by 1 March 2015! PS4 was already overtracked, and now we have new adjustment UP!? :|

PS4

282,373

(+6%)

20,537,945

Just... why?