message: Fix link to chargeback docs.
diff: @@ -380,7 +380,7 @@ const ReportsPage_: React.StatelessComponent<ReportsPageProps> = props => {
  <p>
  Chargeback is an alpha feature.
  </p>
  - <a href="https://coreos.com/tectonic/docs/latest/reporting/install-chargeback.html" target="_blank" rel="noopener noreferrer">
  + <a href="https://coreos.com/tectonic/docs/latest/reports/install-chargeback.html" target="_blank" rel="noopener noreferrer">
  <button className="btn btn-info">Installing Chargeback Report <i className="fa fa-external-link" /></button>
  </a>
  </div>
  