diff --git a/README.md b/README.md
index 21aef8a1a099a9648e99a8eae772575071cae88b..530e752d525b5ed0eb3d7acf7f828fdbca03e934 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 Haddock is the standard tool for generating documentation from Haskell code.
 Full documentation about Haddock itself can be found in the `doc/` subdirectory,
-in [reStructedText format][ReST] format.
+in [reStructuredText][reST] format.
 
 ## Project overview
 
@@ -29,6 +29,6 @@ project.
 [CI badge]: https://github.com/haskell/haddock/actions/workflows/ci.yml/badge.svg
 [Hackage page]: https://hackage.haskell.org/package/haddock
 [Hackage badge]: https://img.shields.io/hackage/v/haddock.svg
-[ReST]: http://www.sphinx-doc.org/en/stable/rest.html
+[reST]: https://www.sphinx-doc.org/en/master/usage/restructuredtext/index.html
 [Documentation.Haddock]: http://hackage.haskell.org/package/haddock-api/docs/Documentation-Haddock.html
-[cabal v2]: http://cabal.readthedocs.io/en/latest/nix-local-build-overview.html
+[cabal v2]: https://cabal.readthedocs.io/en/latest/nix-local-build-overview.html