Fixed broken renderMarkdown link in HOOKS documentation (#4971)

Co-authored-by: William Wong <[email protected]>

Author: provSynevaRunyan

docs/HOOKS.md

@@ -1058,7 +1058,7 @@ renderMarkdown('Hello, World!') === '<p>Hello, World!</p>\n';
 ```
 <!-- prettier-ignore-end -->
 
-The Markdown engine can be reconfigured by passing `renderMarkdown` prop to Web Chat. The default engine is a customized [Markdown-It](https://npmjs.com/package/markdown-it) with [HTML sanitizer](https://npmjs.com/package/sanitize-html) and [support `aria-label` attribute](https://npmjs.com/package/markdown-it-attrs). The customization can be found in [bundle/src/renderMarkdown.js](https://github.com/microsoft/BotFramework-WebChat/tree/main/packages/bundle/src/renderMarkdown.js).
+The Markdown engine can be reconfigured by passing `renderMarkdown` prop to Web Chat. The default engine is a customized [Markdown-It](https://npmjs.com/package/markdown-it) with [HTML sanitizer](https://npmjs.com/package/sanitize-html) and [support `aria-label` attribute](https://npmjs.com/package/markdown-it-attrs). The customization can be found in [bundle/src/markdown/renderMarkdown.ts](https://github.com/microsoft/BotFramework-WebChat/tree/main/packages/bundle/src/markdown/renderMarkdown.ts).
 
 ## `useRenderToast`