Mail to HR regarding designation is mentioned different in salary slip

I would like to mail my HR regarding my offer letter and salary slip. My designation is mention different in salary slip (i.e in offer letter - sales head & Salary slip - sales manger) also salary components are different.. please help me out this.. what mail i have to write them?

Probably something like this can be considered
Polite and precise words to be used
Sir,
I was appointed as ------ (Sales head) wef -----(date)
However it is noticed that my salary slips for the month ---- shows my designation wrongly as ----Sales manager
In addition my salary slip shows different salary components,which vary from my appointment letter.
Kindly rectify the same at an early date.
Regards and thank you
Kindly modify to suit your case specifically