Package check result: NOTE

Check: CRAN incoming feasibility, Result: NOTE
  Maintainer: ‘James Joseph Balamuta <balamut2@illinois.edu>’
  
  Found the following (possibly) invalid URLs:
    URL: https://eigen.tuxfamily.org/index.php?title=Main_Page
      From: inst/doc/using-rcppensmallen.html
      Status: Error
      Message: Timeout was reached [eigen.tuxfamily.org]:
        Connection timed out after 60001 milliseconds

No changes to worse in reverse depends.