Merge pull request #37 from mikehoffms/user/mikehoffms/1div-readme

Clarify Readme for 1DIV

Author: captainbrosset

1DIV/README.md

@@ -1,23 +1,28 @@
-# 1DIV - A Window Controls Overlay demo
+# 1DIV - Window Controls Overlay demo
 
 ➡️ **[Open the demo](https://microsoftedge.github.io/Demos/1DIV/dist/)** ⬅️
 
-**1DIV** is a demo web app where you can create CSS designs using just one HTML `div` element. Your designs are saved only locally in the browser's memory. You can create as many as you want. This demo app can be installed locally as a PWA.
+**1DIV** is a demo web app that enables you to create multiple CSS designs by using a single HTML `div` element. Your CSS designs are only saved locally, in the browser's memory. This demo app can be installed locally as a Progressive Web App (PWA).
+
 
 ## Requirements
 
-The main goal of this demo is to showcase the [Window Controls Overlay PWA feature](https://learn.microsoft.com/en-us/microsoft-edge/progressive-web-apps-chromium/how-to/window-controls-overlay), so to make the most use of it, you will need the following things:
+The main goal of this demo is to showcase the Window Controls Overlay (WCO) PWA feature, which is described in [Display content in the title bar](https://learn.microsoft.com/microsoft-edge/progressive-web-apps-chromium/how-to/window-controls-overlay).  To make the most use of this demo, view it in a browser that's based on the Chromium engine, such as Microsoft Edge.
 
-* Use a 93+ Chromium-based browser.
-* Enable the Window Controls Overlay feature in about:flags (`Desktop PWA Window Controls Overlay`).
+The demo app also demonstrates using [constructable stylesheets](https://developers.google.com/web/updates/2019/02/constructable-stylesheets).  Constructable stylesheets are supported in the following web browsers:
+* Browsers that are based on the Chromium engine, such as Microsoft Edge.
+* Firefox, by enabling the `layout.css.constructable-stylesheets.enabled` flag.
 
-The demo app also uses [constructable stylesheets](https://developers.google.com/web/updates/2019/02/constructable-stylesheets) which are only supported in Chromium-based browsers, and on Firefox if you enable the `layout.css.constructable-stylesheets.enabled` flag first.
 
 ## Building locally
 
-The app is not build automatically in CI. If you make a change to a file in `src` or update a dependency, you will need to build locally and commit the generated files.
+To run this demo app as-is, you don't need to build it.
+
+If you make a change to a file in the `src` directory of this demo app, or update a dependency, you must build the app locally, and then commit the generated files.  This demo app is not built automatically using Continuous Integration (CI).
 
-To build the app locally:
+To build this demo app locally, at a command prompt such as Windows Terminal, run the following commands in the present directory:
 
-* `npm install`,
-* and then `npm run build`.
+```
+npm install
+npm run build
+```