My php pages look like this

http://laptopupdate.siteburg.com/article.php?id=8

i want to convert it to
http://laptopupdate.siteburg.com/article/8

my htaccess looks like this

RewriteEngine On
RewriteRule ^article/(0-9)$ /article.php?id=$1

HOW DOES THIS THING WORK IM GOING NUTS

Perhaps this is helpful:
http://www.modrewrite.com/