diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -87,7 +87,7 @@ Documentation search is powered by [Algolia's DocSearch](https://community.algol
 
 ### Running documentation locally
 
-1. Run through the [tooling setup](https://github.com/twbs/bootstrap/blob/v4-dev/docs/getting-started/build-tools.md#tooling-setup) to install Jekyll (the site builder) and other Ruby dependencies with `bundle install`.
+1. Run through the [tooling setup](https://github.com/twbs/bootstrap/blob/v4-dev/docs/4.0/getting-started/build-tools.md#tooling-setup) to install Jekyll (the site builder) and other Ruby dependencies with `bundle install`.
 2. Run `npm run test` (or a specific NPM script) to rebuild distributed CSS and JavaScript files, as well as our docs assets.
 3. From the root `/bootstrap` directory, run `bundle exec jekyll serve` in the command line.
 4. Open <http://localhost:9001> in your browser, and voilà.