Update CHANGELOG.md

Co-authored-by: Shashank Barsin <[email protected]>

CHANGELOG.md

@@ -23,7 +23,7 @@ Monitor the release status by region at [AKS-Release-Tracker](https://releases.a
    * Resolved an [issue](https://github.com/Azure/AKS/issues/4662) with Istio service mesh add-on where having multiple operations with the Lua EnvoyFilter (e.g. adding the Lua filter to call an external service and specifying the cluster referenced by Lua code) was not allowed.
    * Fixed a bug in Azure CNI Pod Subnet Static Block Allocation mode with Cilium which caused incorrect iptables rules, leading to pod connectivity failures to DNS and IMDS.
    * Resolved an [issue](https://github.com/Azure/azure-sdk-for-go/issues/24109) where the updated Azure Table client mishandled untyped numbers, causing static block agent pools to be misidentified as dynamic and leading to operation failures.
-   * Fixed a bug in Azure Kubernetes Fleet Manager hubful resource groups by truncating the name to avoid issues with long generated managed resource group names breaking the maximum length of resource groups.
+   * Fixed a bug in Azure Kubernetes Fleet Manager hub cluster resource groups (FL_ prefix resource groups) by truncating the name to avoid issues with long generated managed resource group names breaking the maximum length of resource groups.
 
 * Behavior Changes:
    * [Horizontal Pod Autoscaling](https://kubernetes.io/docs/tasks/run-application/horizontal-pod-autoscale/) introduced for `ama-metrics replicaset pod` in the [Azure Monitor managed service for Prometheus](https://learn.microsoft.com/en-us/azure/azure-monitor/essentials/prometheus-metrics-overview) add-on. More details about the configuration of the Horizontal Pod Autoscaler can be found [here](https://github.com/Azure/prometheus-collector/blob/main/internal/docs/HPA.md).