Fix broken anchor links (#3619)

README.md

@@ -16,9 +16,9 @@ or [API Reference](https://docs.aws.amazon.com/AWSJavaScriptSDK/v3/latest/index.
 For release notes, see the [CHANGELOG](https://github.com/aws/aws-sdk-js/blob/master/CHANGELOG.md). Prior to v2.4.8, release notes can be found at https://aws.amazon.com/releasenotes/?tag=releasenotes%23keywords%23javascript
 
 ## Table of Contents:
-* [Getting Started](_#Getting-Started_)
-* [Getting Help](_#Getting-Help_)
-* [Contributing](_#Contributing_)
+* [Getting Started](#Getting-Started)
+* [Getting Help](#Getting-Help)
+* [Contributing](#Contributing)
 
 ## Getting Started
 
@@ -156,8 +156,8 @@ You can [open an issue](https://github.com/aws/aws-sdk-js/issues/new/choose) and
 [bug reports](https://github.com/aws/aws-sdk-js/issues/new?assignees=&labels=bug%2C+needs-triage&template=---bug-report.md&title=), 
 [feature requests](https://github.com/aws/aws-sdk-js/issues/new?assignees=&labels=feature-request&template=---feature-request.md&title=) 
 or [guidance](https://github.com/aws/aws-sdk-js/issues/new?assignees=&labels=guidance%2C+needs-triage&template=---questions---help.md&title=). 
-You may also find help on community resources such as [StackOverFlow](https://stackoverflow.com/questions/tagged/aws-sdk-js) with the tag #aws-sdk-js 
-or If you have a support plan with [AWS Support](https://aws.amazon.com/premiumsupport/), you can also create a new support case.
+You may also find help on community resources such as [StackOverFlow](https://stackoverflow.com/questions/tagged/aws-sdk-js) with the tag #aws-sdk-js.
+If you have a support plan with [AWS Support](https://aws.amazon.com/premiumsupport/), you can also create a new support case.
 
 Please make sure to check out our resources too before opening an issue:
 * Our [Developer Guide](https://docs.aws.amazon.com/sdk-for-javascript/v2/developer-guide/welcome.html) and [API reference](https://docs.aws.amazon.com/AWSJavaScriptSDK/latest/)