diff --git a/pkgs/racket-doc/scribblings/getting-started/getting-started.scrbl b/pkgs/racket-doc/scribblings/getting-started/getting-started.scrbl
index 02a2594d15..df14559d3e 100644
--- a/pkgs/racket-doc/scribblings/getting-started/getting-started.scrbl
+++ b/pkgs/racket-doc/scribblings/getting-started/getting-started.scrbl
@@ -33,7 +33,7 @@ through a textbook:
 
 @itemize[
 
- @item{@italic{@link["http://htdp.org/"]{How to Design Programs, Second Edition}}
+ @item{@italic{@link["https://htdp.org/"]{How to Design Programs, Second Edition}}
        is the best place to start.}
 
  @item{@other-manual['(lib "web-server/scribblings/tutorial/continue.scrbl")]
diff --git a/pkgs/racket-doc/scribblings/guide/guide-utils.rkt b/pkgs/racket-doc/scribblings/guide/guide-utils.rkt
index 3a69d795ba..93994ed844 100644
--- a/pkgs/racket-doc/scribblings/guide/guide-utils.rkt
+++ b/pkgs/racket-doc/scribblings/guide/guide-utils.rkt
@@ -24,7 +24,7 @@
   (other-manual '(lib "scribblings/quick/quick.scrbl")))
 
 (define HtDP
-  (italic (link "http://www.htdp.org" "How to Design Programs")))
+  (italic (link "https://htdp.org" "How to Design Programs")))
 
 (define (tool name . desc)
   (apply item (bold name) ", " desc))