The very last thing you want is to overlook the spelling of a simple word. Hiring managers will be quick to toss your resume when it comes to these details because they know that if you don't take your own resume seriously, why should they?
According to Jimmy Sweeney's Top Ten Secrets of an Amazing Resume, "You can be assured a well-written resume—that goes to the heart of what the hiring manager is seeking in a candidate—will attract attention and result in that special phone call or e-mail that says, “I liked your clear and precise resume. Let’s meet for an interview.”
To learn more about what really matters when writing a resume check out this 25 page pdf that spells it all out for you. Save yourself the agony of having to discover this information by haphazardly sending off a resume that gets tossed in the trash.
P.S. see also http://www.whatisacoverletter-help.com
