Hunter macro help!

[:1]Hi so i got a nice new toy ( Razer Naga ) and i have been making macros with modifiers that have worked on other classes when i got to my hunter the modified shot would not go, this is the code i am using

#showtooltip Chimera Shot
/cast [nomod] Chimera Shot
/cast [mod:shift] Serpent Sting

any help would be wonderful ty for your time
hrmm..... where did u find this macro or did u come up with it yourself?

came up with it my self