Increase the distance between letters in h1 h2

My site is avelim.co.il. The site is on Hebrew wordpress 3.5, using the theme Weaver 2.2.6 with many customization done by programmers. I am using the Use Any Font plugin to set the font of h1 h2 [login to view URL] The font I am using is taken from Microsoft Office. The distance between the letters in h1 h2 is too small. It makes it difficult to read. I need freelancer to make the distance larger. Freelancer will adjust the distance until I am satisfied. See: [login to view URL] [login to view URL] Work will be done on test site. When the work is done properly, it will be done on a live site. Freelancer should allow 7 days for testing before getting paid