This is just a little riff played after the 
A,D,E like Geetar81 submitted.

 A A  D D  E E riff      A A  D D  E E
------2-2---------------------2-2----------------
-2-2--3-3----------------2-2--3-3----------------
-2-2--2-2--1-1-2h3-2h3-0-2-2--2-2--1-1--2h3-2h3-0
-2-2-------2-2-----------2-2-------2-2-----------
-----------2-2---------------------2-2-----------
-------------------------------------------------

This riff can be played up one or two strings 
depending on where it is in the song.  I'm not 
say'n this is exactly how he plays it, but I think
it sounds good pretty close.  Play it fast!!