adapt changelog

Author: maltesander

CHANGELOG.md

@@ -9,7 +9,7 @@ All notable changes to this project will be documented in this file.
 - Support version `3.8.0` ([#753]).
 - The operator can now run on Kubernetes clusters using a non-default cluster domain. It should automatically detect the
   correct domain to use, but you can also use the env var `KUBERNETES_CLUSTER_DOMAIN` to set the domain explicitly
-  or use the helm-chart property `kubernetesClusterDomain` ([#xxx]).
+  or use the helm-chart property `kubernetesClusterDomain` ([#771]).
 
 ### Changed
 
@@ -35,7 +35,7 @@ All notable changes to this project will be documented in this file.
 [#741]: https://github.com/stackabletech/kafka-operator/pull/741
 [#750]: https://github.com/stackabletech/kafka-operator/pull/750
 [#753]: https://github.com/stackabletech/kafka-operator/pull/753
-[#xxx]: https://github.com/stackabletech/kafka-operator/pull/xxx
+[#771]: https://github.com/stackabletech/kafka-operator/pull/771
 
 ## [24.7.0] - 2024-07-24