Script font size

Hi All,

Currently am using the Style "Helve" with font size 8 for one para Format ANd size 10 for another one. I want to reduce the size 10 to 9.But if i change it , it states that 9 is not sap font size. are there only even sizes. cant i use the size 9.If so how do i do it. kindly help.

thanks,

kavitha.