Fixed markdown linting

Author: rcastley

CHANGELOG.md

@@ -8,9 +8,9 @@ the release.
 ## Unreleased
 
 * [flagd] Update `paymentServiceFailure` to use a list of variants.
-* [paymentservice] Add variant and loyalty level attributes to spans.
+* [paymentservice] Add loyalty level attributes to spans.
   Added `service.name` to logs.
-  ([#1815]https://github.com/open-telemetry/opentelemetry-demo/pull/1815)
+  ([#1815](https://github.com/open-telemetry/opentelemetry-demo/pull/1815))
 * [grafana] Update grafana to 11.3.0
   ([#1764](https://github.com/open-telemetry/opentelemetry-demo/pull/1764))
 * [chore] Move build args to .env file