These are the directions...
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By adding a short line of code to http://yourwebsite.com/, you can make your Google+ page eligible to show up on the right hand side of the Google search page for relevant queries and make your Google+ page more discoverable. Learn more Ask your site's webmaster to add the following line of code to your site's homepage: <a href="https://plus.google.com/+Yourwebsite" rel="publisher">Google+</a> |