Add link to custom node example

Author: garethx

packages/homepage/content/docs/1-x-faqs.md

@@ -50,13 +50,12 @@ recommend using a container sandbox.
 
 ## Can I change the Node version used in a container sandbox?
 
-Container sandboxes run Node v10.18.1 by default. While this system version
+Container sandboxes run Node v10.20.1 (LTS) by default. While this system version
 can't be changed, you can instead make use of the
 [node](https://www.npmjs.com/package/node) package. Add the version of the node
 package you would like to use to your sandbox in the same way you would any
-other package. Since npm runs scripts with the local `./node_modules/.bin` in
-the `PATH` ahead of the system copy, this means you can use this local version
-of node instead of the system version.
+other package. Then update the path to node you use to make use of this local version
+of node instead of the system version. Here's a [working example](https://codesandbox.io/s/node-custom-version-j7xvv).
 
 ## Can I open the terminal or console or test panel instead of the browser in a sandbox?