Update CONTRIBUTING.md

Author: vishaalt

CONTRIBUTING.md

@@ -10,7 +10,7 @@ information to effectively respond to your request.
 
 1) This repository ([awslabs/aws-sdk-rust](https://github.com/awslabs/aws-sdk-rust)) 
 
-    This repository contains code generated from [awslabs/smithy-rs](https://github.com/awslabs/smithy-rs). If you want to contribute to the SDK by submitting feedback to our roadmap, filing a bug report, or building a high level library ontop of the SDK and sharing it with the community, you can do so using this GitHub repository. However, because this repository is code generated from Smithy models using code gen machinery, **please do not submit PRs modifying code to this repository.**
+    This repository contains code generated from [awslabs/smithy-rs](https://github.com/awslabs/smithy-rs). If you want to contribute to the SDK by submitting feedback to our roadmap or filing a bug report, you can do so using this GitHub repository. However, because this repository is code generated from Smithy models using code gen machinery, **please do not submit PRs modifying code to this repository.**
 
 2) Smithy-based SDK generation repo ([awslabs/smithy-rs](https://github.com/awslabs/smithy-rs))