diff --git a/README.md b/README.md
index 4ed07ff..156292f 100644
--- a/README.md
+++ b/README.md
@@ -21,7 +21,7 @@ Your app should now be running on [localhost:5000](http://localhost:5000/).
 
 ```
 $ heroku create
-$ git push heroku master
+$ git push heroku main
 $ heroku open
 ```
 or
diff --git a/app.json b/app.json
index bd96ff9..870caf1 100644
--- a/app.json
+++ b/app.json
@@ -2,7 +2,7 @@
   "name": "Start on Heroku: Node.js",
   "description": "A barebones Node.js app using Express 4",
   "repository": "https://github.com/heroku/node-js-getting-started",
-  "logo": "https://cdn.rawgit.com/heroku/node-js-getting-started/master/public/node.svg",
+  "logo": "https://cdn.rawgit.com/heroku/node-js-getting-started/main/public/node.svg",
   "keywords": ["node", "express", "heroku"],
   "image": "heroku/nodejs"
 }
diff --git a/views/pages/index.ejs b/views/pages/index.ejs
index ba1ca73..84ad78e 100644
--- a/views/pages/index.ejs
+++ b/views/pages/index.ejs
@@ -30,7 +30,7 @@
       <ul>
         <li>This app was deployed to Heroku, either using Git or by using <a href="https://github.com/heroku/node-js-getting-started">Heroku Button</a> on the repository.</li>
 
-        <li>When Heroku received the source code, it fetched all the dependencies in the <a href="https://github.com/heroku/node-js-getting-started/blob/master/package.json">package.json</a>, creating a deployable slug.</li>
+        <li>When Heroku received the source code, it fetched all the dependencies in the <a href="https://github.com/heroku/node-js-getting-started/blob/main/package.json">package.json</a>, creating a deployable slug.</li>
         <li>The platform then spins up a dyno, a lightweight container that provides an isolated environment in which the slug can be mounted and executed.</li>
         <li>You can scale your app, manage it, and deploy over <a href="https://addons.heroku.com/">150 add-on services</a>, from the Dashboard or CLI.</li>
       </ul>