WordPress add custom text into the Thesis theme footer

How to add custom text into the thesis theme footer.We can use thesis_hook_footer hook for do this.Open the custom_functions.php in the thesis theme folder.Add the following function end of the file and save it.
File path – /wp-content/themes/thesis/custom/custom_functions.php

This function is keep the custom code.But still not displaying.

How to Call to this function

Full script is here.

Remove thesis footer links

How to remove footer links

If you want to edit current footer text go to the following path and open that file.
Then you can see the footer links.