message: docs: mention correct component
diff: @@ -44,13 +44,13 @@ Demos for your components are a great way to document them, but some things need
  E.g. the **Hello World** component has a hidden feature: clicking on it
  counts up. Let's tell the consumers of our component library about this.
  -1. Open your terminal and create a new file `lib/button/readme.md`
  +1. Open your terminal and create a new file `lib/hello-world/readme.md`
  ```bash
  touch lib/hello-world/readme.md
  ```
  -2. Copy the following code into `lib/button/readme.md`
  +2. Copy the following code into `lib/hello-world/readme.md`
  ```md
  <!-- lib/hello-world/readme.md -->
  