If you have a larger site, you may have chosen WordPress as a blogging platform for it, perhaps installing it in a subdirectory. For this scenario it is desirable to change the header URL for your blog to point to the homepage of your main site.
Or if you have a membership site and your index has the sales page, you may want to have on the header a link to the members area and not the sales page (index).
This may be accomplished using the following code, which you can place inside
functions.php of your Genesis child theme. Please change the wpbackpack URL below to match that of your main site: