diff --git a/README.md b/README.md
index 99631fa..036c007 100644
--- a/README.md
+++ b/README.md
@@ -25,6 +25,7 @@
- [Getting started](#getting-started)
- [Deploy](#deploy)
- [[New!] Local Development](#local-development)
+ - [Using React DevTools](#dev-tools)
- [Usage](#usage)
- [The included sample app](#the-included-sample-app)
- [[New!] Typescript](#new-typescript)
@@ -186,6 +187,37 @@ After running the start command, navigate to your spreadsheet and open one of th
+### 🔍 Using React DevTools
+
+React DevTools is a tool that lets you inspect the React component hierarchies during development.
+
+
+ Instructions for installing React DevTools
+
+
+
+You will need to use the "standalone" version of React DevTools since our React App is running in an iframe ([more details here](https://github.com/facebook/react/tree/master/packages/react-devtools#usage-with-react-dom)).
+
+1. In your repo install the React DevTools package as a dev dependency:
+
+ ```bash
+ npm install -D react-devtools
+ ```
+
+2. In a new terminal window run `npx react-devtools` to launch the DevTools standalone app.
+
+3. Add `` to the top of your `` in your React app, e.g. in the [index.html](https://github.com/enuchi/React-Google-Apps-Script/blob/e73e51e56e99903885ef8dd5525986f99038d8bf/src/client/dialog-demo-bootstrap/index.html) file in the sample Bootstrap app.
+
+4. Deploy your app (`npm run deploy:dev`) and you should see DevTools tool running and displaying your app hierarchy.
+
+
+
+5. Don't forget to remove the `