diff --git a/instrumentation/opentelemetry-instrumentation-sklearn/CHANGELOG.md b/instrumentation/opentelemetry-instrumentation-sklearn/CHANGELOG.md
index 3e04402ce..5b9a46c48 100644
--- a/instrumentation/opentelemetry-instrumentation-sklearn/CHANGELOG.md
+++ b/instrumentation/opentelemetry-instrumentation-sklearn/CHANGELOG.md
@@ -2,4 +2,4 @@
 
 ## Unreleased
 
-- Initial release
+- Initial release ([#151](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/151))