Duke Ellington - Caravan tab

Hey, this is my first tab, so it's probably not that great, but this is the main riff in 
Ellington's "Caravan".
Comment and Rate Please!

[ Tab from: http://www.guitaretab.com/d/duke-ellington/202431.html ]
 E-----------------------------------------------------------------|
 B-----------------------------------------------------------------|
 G---------5--6--5-------------------------------------------------|
 D-------5---------5-----5------6----------------------------------|
 A----3---------------3----3-4----4--------------------------------|
 E-----------------------------------------------------------------|