Update whats-new.md

whats-new.md

@@ -66,14 +66,14 @@ for developers and multi-disciplinary teams for building bots and other types of
 [30]:https://github.com/Microsoft/BotFramework-DirectLineJS/blob/master/README.md
 
 ## Bot Framework Web Chat (GA)
-- React was [upgraded](https://github.com/microsoft/BotFramework-WebChat/pull/2322) to 16.8.6 to support [React Hooks](https://reactjs.org/docs/hooks-intro.html) and stateful function components.
+- React was [upgraded](https://github.com/microsoft/BotFramework-WebChat/pull/2322) to 16.8.6 to support React Hooks and stateful function components.
 - Uploaded image attachments can now include a [thumbnail](https://github.com/microsoft/BotFramework-WebChat/pull/2433). Additional UI improvements and customizability include:
   - [Bubble nub](https://github.com/Microsoft/BotFramework-WebChat/pull/2137) styling options were added.
   - [Timestamp format](https://github.com/microsoft/BotFramework-WebChat/pull/2295) were modified to allow absolute and relative time.
   - [Stylable avatar background colors](https://github.com/microsoft/BotFramework-WebChat/pull/2384) were added.
-- Following demos were released:
-  - [Single Sign-On for Microsoft Teams using OAuth](https://microsoft.github.io/BotFramework-WebChat/19.c.single-sign-on-for-teams-apps/) shows user authorization through a bot.
-  - [Select Voice for Speech Synthesis](https://github.com/microsoft/BotFramework-WebChat/blob/master/samples/06.g.select-voice/) shows how to select [DNN-based voices](https://docs.microsoft.com/en-us/azure/cognitive-services/speech-service/language-support#neural-voices).
+- Following samples were released:
+  - Single Sign-On for Microsoft Teams using OAuth shows user authorization through a bot. [[sample](https://microsoft.github.io/BotFramework-WebChat/19.c.single-sign-on-for-teams-apps/)]
+  - Select Voice for Speech Synthesis shows how to select [DNN-based voices](https://docs.microsoft.com/en-us/azure/cognitive-services/speech-service/language-support#neural-voices). [[sample](https://github.com/microsoft/BotFramework-WebChat/blob/master/samples/06.g.select-voice/)]
 - The accessibility experience was improved for customers utilizing Assistive Technology across [different browsers](https://github.com/microsoft/BotFramework-WebChat/pull/2278).
 
 - To see the rest of Web Chat's updates for 4.6, take a look at the [changelog](https://github.com/microsoft/BotFramework-WebChat/blob/master/CHANGELOG.md).