Update CHANGELOG.md

Co-authored-by: Tammy Baylis <[email protected]>

Author: emdneto

CHANGELOG.md

@@ -14,7 +14,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Fixed
 
 - `opentelemetry-instrumentation-aws-lambda`: Fix ImportError with slash-delimited handler paths
-  ([#1465](https://github.com/open-telemetry/opentelemetry-python-contrib/issues/1465))
+  ([#3894](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/3894))
 
 ## Version 1.38.0/0.59b0 (2025-10-16)