Removing Tags

When you go to my home page

if you are using IE, click View, and click Source. You will find at the top at line 8 and 9. Where about do i go to edit them?

I want to remove Secure and full-featured Online Shopping Cart Software with the complete set of powerful ecommerce options to create your own online store with minimum efforts involved.

and i want to change the keywords:

here is the whole script at the beginning:

JB Marketplace

Thank you so much!!!!