docs(tabs-overflow): update a11y docs

Author: cdransf

packages/tabs/tabs-overflow.md

@@ -1,27 +1,29 @@
-## Description
+## Overview
 
-The `<sp-tabs-overflow>` is a decorative component that works in conjunction with the `<sp-tabs>` component. It enables horizontal tab scrolling in cases where the available width is insufficient to display all tabs.
+The `<sp-tabs-overflow>` is a decorative component that works in conjunction with the `<sp-tabs>` component. It enables horizontal tab scrolling in cases where the available width is insufficient to display all tabs. Multiple tab items should not be truncated solely to accommodate horizontal layout constraints.
 
-_Note: Veritical scrolling is not yet supported._
+_Note: Vertical scrolling is not yet supported._
+
+[View the design documentation for this component.](https://spectrum.adobe.com/page/tabs/)
 
 ### Usage
 
 [![See it on NPM!](https://img.shields.io/npm/v/@spectrum-web-components/tabs?style=for-the-badge)](https://www.npmjs.com/package/@spectrum-web-components/tabs)
 [![How big is this package in your project?](https://img.shields.io/bundlephobia/minzip/@spectrum-web-components/tabs?style=for-the-badge)](https://bundlephobia.com/result?p=@spectrum-web-components/tabs)
 
-```
+```zsh
 yarn add @spectrum-web-components/tabs
 ```
 
 To import the `<sp-tabs-overflow>` component with its associated side effects, use the following import statement:
 
-```
+```js
 import '@spectrum-web-components/tabs/sp-tabs-overflow.js';
 ```
 
 To utilize the `TabsOverflow` base class as a type or for extending its functionality, utilize the following method:
 
-```
+```js
 import { TabsOverflow } from '@spectrum-web-components/tabs';
 ```