How to remove this, PLEASE HELP!

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:

Thank you so much