Small update to the production guidance wording (#3049)

## Motivation and Context
#1692 (comment)

All #1692 subtasks are closed.

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Author: rcoh

aws/SDK_README.md.hb

@@ -16,7 +16,7 @@ To update it, edit the `aws/SDK_README.md.hb` Handlebars template in that reposi
 
 This repo contains the new AWS SDK for Rust (the SDK) and its [public roadmap](https://github.com/orgs/awslabs/projects/50/views/1).
 
-**Please Note: The SDK is currently released as a developer preview and is intended strictly for feedback purposes only. Do not use this SDK for production workloads.**
+**Please Note**: The SDK is currently released as a developer preview, without support or assistance for use on production workloads. Any use in production is at your own risk.
 
 The SDK is code generated from [Smithy models](https://awslabs.github.io/smithy/) that represent each AWS service. The code used to generate the SDK can be found in [smithy-rs](https://github.com/awslabs/smithy-rs).