The Maine - Im Sorry tab

This is just the intro ok I'll update once I figure out everything else.
I learned it by ear so I'm not sure if this is 100% correct. 
[ Tab from: http://www.guitaretab.com/t/the-maine/302696.html ]
e|-------7------------8-7---------------7-5-----|
B|-8-7-8------8-8-7-8-----7-----8-8-7-8-----7-5-|
G|----------------------------------------------| 
D|----------------------------------------------| 
A|----------------------------------------------|
E|----------------------------------------------|