Document prerequisites for download-experimental-build (#21005)

eps1lon · web-flow · commit 00d4f95c2ad0 · 2021-03-15T09:48:44.000-04:00
diff --git a/packages/react-devtools-extensions/README.md b/packages/react-devtools-extensions/README.md
@@ -20,9 +20,11 @@ To build dependencies from source, run the following command from the root of th
 yarn build-for-devtools
 ```
 #### Download from CI
-To use the latest build from CI, run the following command from the root of the repository:
+To use the latest build from CI, run the following commands starting from the root of the repository:
 ```sh
-./scripts/release/download-experimental-build.js
+cd scripts/release
+yarn install
+./download-experimental-build.js
 ```
 ### Build steps
 Once the above packages have been built or downloaded, you can build the extension by running:
