Misc Unsigned Bands - Tim Laws - Horrid Henry Theme Chords & Tabs

This is like my FIRST EVER
TAB so understand if it sucks completely lol.
and don't be too harsh!

e|----------------||
B|----------------||
G|99--------------||
D|99-999-77-6-7-9-||
A|77-999-77-6-7-9-||
E|---777-55-4-5-7-||
[ Tab from: https://www.guitartabs.cc/tabs/m/misc_unsigned_bands/tim_laws_horrid_henry_theme_tab_ver_3.html ]
thats it for almost the whole song, (or is it? :0 for all you know i may have done it 
wrong! well it works for me anyway) after that there's another part when it goes 'Na na na 
na' but i haven't watched Horrid Henry for ages so I'll have a look and listen to see what it is.

thank you :)