Package check result: NOTE

Check: CRAN incoming feasibility, Result: NOTE
  Maintainer: ‘Tal Galili <tal.galili@gmail.com>’
  
  Found the following (possibly) invalid URLs:
    URL: https://stackoverflow.com/questions/12456768/duelling-dendrograms-in-r-placing-dendrograms-back-to-back-in-r
      From: man/tanglegram.Rd
      Status: 403
      Message: Forbidden
    URL: https://stackoverflow.com/questions/17088136/plot-horizontal-dendrogram-with-hanging-leaves-r
      From: man/hang.dendrogram.Rd
      Status: 403
      Message: Forbidden
    URL: https://stackoverflow.com/questions/25664911/r-hclust-height-of-final-merge
      From: inst/doc/FAQ.html
      Status: 403
      Message: Forbidden
    URL: https://stackoverflow.com/questions/26240200/how-to-access-attributes-of-a-dendrogram-in-r
      From: inst/doc/FAQ.html
      Status: 403
      Message: Forbidden
    URL: https://stackoverflow.com/questions/26965390/larger-font-and-spacing-between-leaves-in-r-dendrogram
      From: inst/doc/FAQ.html
      Status: 403
      Message: Forbidden
    URL: https://stackoverflow.com/questions/27485549/how-to-colour-the-labels-of-a-dendrogram-by-an-additional-factor-variable-in-r
      From: inst/doc/FAQ.html
      Status: 403
      Message: Forbidden
    URL: https://stackoverflow.com/questions/29265536/how-to-color-the-branches-and-tick-labels-in-the-heatmap-2
      From: inst/doc/FAQ.html
      Status: 403
      Message: Forbidden
    URL: https://stackoverflow.com/questions/30062187/coloring-dendrogram-s-end-branches-or-leaves-based-on-column-number-of-data-fr
      From: inst/doc/FAQ.html
      Status: 403
      Message: Forbidden
    URL: https://stackoverflow.com/questions/31117849/how-to-color-a-dendrograms-labels-according-to-defined-groups-in-r
      From: inst/doc/FAQ.html
      Status: 403
      Message: Forbidden
    URL: https://stackoverflow.com/questions/31124810/r-cut-dendrogram-into-groups-with-minimum-size/
      From: inst/doc/FAQ.html
      Status: 403
      Message: Forbidden
    URL: https://stackoverflow.com/questions/34539746/color-side-bar-dendrogram-plot/
      From: inst/doc/FAQ.html
      Status: 403
      Message: Forbidden
    URL: https://stackoverflow.com/questions/4562257/what-is-the-fastest-way-to-check-if-a-number-is-a-positive-natural-number-in-r
      From: man/is.natural.number.Rd
      Status: 403
      Message: Forbidden
    URL: https://stackoverflow.com/questions/4614223/how-to-have-the-following-work-labelsx-some-value-r-question
      From: man/labels-assign.Rd
      Status: 403
      Message: Forbidden
    URL: https://stackoverflow.com/questions/4720307/change-dendrogram-leaves
      From: man/rect.dendrogram.Rd
      Status: 403
      Message: Forbidden
    URL: https://stackoverflow.com/questions/5302049/last-observation-carried-forward-na-locf-on-panel-cross-section-time-series
      From: man/na_locf.Rd
      Status: 403
      Message: Forbidden
    URL: https://stackoverflow.com/questions/tagged/dendextend
      From: README.md
      Status: 403
      Message: Forbidden
    URL: https://stackoverflow.com/questions/tagged/dendrogram+r
      From: inst/doc/FAQ.html
      Status: 403
      Message: Forbidden
    URL: https://stats.stackexchange.com/questions/4062/how-to-plot-a-fan-polar-dendrogram-in-r
      From: inst/doc/FAQ.html
      Status: 403
      Message: Forbidden

No changes to worse in reverse depends.