Blake Shelton - Im Sorry tab

I'm Sorry 
By Blake Shelton

This is my first tab so please correct me if i'm wrong.
[ Tab from: http://www.guitaretab.com/b/blake-shelton/361802.html ]
Intro chords: F Am G x2
Intro Tab x2
||------------------------------||
||o----------------------------o||
||--0------5-------------0h2p0--||
||--5--5s7--------5--0h2--------||
||o-----------5s7--------------o||
||------------------------------||

h - hammer-on
p - pull-off
s - legato slide