wep page relevancy question?

I name my pages after the product my question is does it matter if I use a dash or a under score in the name page like this http://www.bestpricedcoffee.com/healthier_coffee_online.html


or should I use dashes???? any help will be taken as seo help thanks regards

 

Most search engines consider an underscore as a space, so you should be fine.

 

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