diff --git a/manifests/prometheus-rules.yaml b/manifests/prometheus-rules.yaml
index 141fc8ab15568415515838a17c74ff00d1c35610..ef5a4dae66928d1903710b684f2f4f60af37b962 100644
--- a/manifests/prometheus-rules.yaml
+++ b/manifests/prometheus-rules.yaml
@@ -1776,10 +1776,13 @@ spec:
     rules:
     - alert: AlertmanagerConfigInconsistent
       annotations:
-        message: The configuration of the instances of the Alertmanager cluster `{{$labels.service}}`
-          are out of sync.
+        message: |
+          The configuration of the instances of the Alertmanager cluster `{{ $labels.namespace }}/{{ $labels.service }}` are out of sync.
+          {{ range printf "alertmanager_config_hash{namespace=\"%s\",service=\"%s\"}" $labels.namespace $labels.service | query }}
+          Configuration hash for pod {{ .Labels.pod }} is "{{ printf "%.f" .Value }}"
+          {{ end }}
       expr: |
-        count_values("config_hash", alertmanager_config_hash{job="alertmanager-main",namespace="monitoring"}) BY (service) / ON(service) GROUP_LEFT() label_replace(max(prometheus_operator_spec_replicas{job="prometheus-operator",namespace="monitoring",controller="alertmanager"}) by (name, job, namespace, controller), "service", "alertmanager-$1", "name", "(.*)") != 1
+        count by(namespace,service) (count_values by(namespace,service) ("config_hash", alertmanager_config_hash{job="alertmanager-main",namespace="monitoring"})) != 1
       for: 5m
       labels:
         severity: critical