Update CHANGELOG.md

Author: xrmx

CHANGELOG.md

@@ -43,7 +43,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Fixed
 
 - `opentelemetry-instrumentation-botocore`: bedrock: Add safety check for bedrock ConverseStream responses
-  ([#3990](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/TBD))
+  ([#3990](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/3990))
 - `opentelemetry-instrumentation-botocore`: bedrock: only decode JSON input buffer in Anthropic Claude streaming
   ([#3875](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/3875))
 - `opentelemetry-instrumentation-aiohttp-client`, `opentelemetry-instrumentation-aiohttp-server`: Fix readme links and text