"404_title_format"    => __( "This controls the format of the title tag for the 404 page.<br />The following macros are supported:", 'all-in-one-seo-pack' ) .
                '<ul><li>' . __( '%blog_title% - Your blog title', 'all-in-one-seo-pack' ) . '</li><li>' . 
                __( '%blog_description% - Your blog description', 'all-in-one-seo-pack' ) . '</li><li>' . 
                __( '%request_url% - The original URL path, like "/url-that-does-not-exist/"', 'all-in-one-seo-pack' ) . '</li><li>' . 
                __( '%request_words% - The URL path in human readable form, like "Url That Does Not Exist"', 'all-in-one-seo-pack' ) . '</li><li>' .