diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index f0ce95b..be3e81a 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -11,20 +11,20 @@ series [How to Contribute to an Open Source Project on GitHub][egghead]
 2.  Run `npm run setup -s` to install dependencies and run validation
 3.  Create a branch for your PR with `git checkout -b pr/your-branch-name`
 
-> Tip: Keep your `master` branch pointing at the original repository and make
-> pull requests from branches on your fork. To do this, run:
+> Tip: Keep your `main` branch pointing at the original repository and make pull
+> requests from branches on your fork. To do this, run:
 >
 > ```
 > git remote add upstream https://github.com/kentcdodds/testing-node-apps.git
 > git fetch upstream
-> git branch --set-upstream-to=upstream/master master
+> git branch --set-upstream-to=upstream/main main
 > ```
 >
 > This will add the original repository as a "remote" called "upstream," Then
-> fetch the git information from that remote, then set your local `master`
-> branch to use the upstream master branch whenever you run `git pull`. Then you
-> can make all of your pull request branches based on this `master` branch.
-> Whenever you want to update your version of `master`, do a regular `git pull`.
+> fetch the git information from that remote, then set your local `main` branch
+> to use the upstream main branch whenever you run `git pull`. Then you can make
+> all of your pull request branches based on this `main` branch. Whenever you
+> want to update your version of `main`, do a regular `git pull`.
 
 ## Committing and Pushing changes