Update CHANGELOG.md

Co-authored-by: Riccardo Magliocchetti <[email protected]>

Author: rads-1996

CHANGELOG.md

@@ -12,9 +12,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## Unreleased
 
 ### Fixed
-- `opentelemetry-instrumentation-flask` Fixed an issue where http_server_request_duration metrics was being recorded for excluded urls.
-  ([#3794](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/3794))
 
+- `opentelemetry-instrumentation-flask`: Fixed http_server_request_duration metrics being recorded for excluded urls.
+  ([#3794](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/3794))
 - `opentelemetry-instrumentation-dbapi`: fix crash retrieving libpq version when enabling commenter with psycopg
   ([#3796](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/3796))
 - `opentelemetry-instrumentation-vertexai`: migrate off the deprecated events API to use the logs API