Searching shopping cart

Someone referred me to:

http://dev.mysql.com/doc/refman/5.0/en/fulltext-search.html 

Does this look like I am on the right track?

Ron

SELECT MATCH(shopping_cart_product.product_description,
shopping_cart_product.product_name) AGAINST ('$keyword') as Relevance
FROM ( shopping_cart_category INNER JOIN shopping_cart_product ON
shopping_cart_category.reference =
shopping_cart_product.category_reference ) INNER JOIN
shopping_cart_product_image ON
shopping_cart_product_image.product_reference =
shopping_cart_product.reference INNER JOIN shopping_cart_inventory ON
shopping_cart_inventory.product_reference =
shopping_cart_product.reference WHERE MATCH
(shopping_cart_product.product_description,
shopping_cart_product.product_name) AGAINST('$keyword' IN BOOLEAN MODE)
HAVING Relevance > 0.2 ORDER
BY Relevance DESC