Package check result: NOTE

Check: CRAN incoming feasibility, Result: NOTE
  Maintainer: ‘Christopher T. Kenny <christopherkenny@fas.harvard.edu>’
  
  Found the following (possibly) invalid URLs:
    URL: https://www.ncsl.org/redistricting-and-census
      From: inst/doc/map-preproc.html
      Status: 403
      Message: Forbidden

No changes to worse in reverse depends.