• I have absolutely no idea what that says but 😂 ... I am guessing you mean the two colons :: in the website name?

    For example:    mysite.com::Home ??

     If so, you can go into Studio > Pages and choose Homepage from the drop down. In the Title field, just delete the :: and add what you want. I personally removed them all together so that only the  {site_title} is there.