aray modifier

i’m tring to follow a PDF file from R3D to build a a4 cartouche for a drawing

and when i try to aaply the array modifier the Y offset odes not seems to work as it sould

i wold have to set it at a value of 85 or a little more to get the same result then waht i see the Tut

si i’m doing something wrong but don’t no what?

can someone help with this tut
http://www.rab3d.com/rab3d/tutorial/608/precision_modelling_6.pdf
page 75

Thanks