Target Ads Adsense

which means google adsense on "change your settings privecy site" .. ?
Google sent me a message on "targeting ad "and they want me to change my privacy settings website … what they mean what do I do?
According to site, you have created through a certain area, go to your settings, the Privacy tab and lower security settings.
Not a Wal mart after thanksgiving ad – Nor a Kroger Weekly Ads but just a target weekly ads
