diff --git a/assets/prometheus-operator/alerts.yaml b/assets/prometheus-operator/alerts.yaml
index 92fc1f2..c4fcb1d 100644
--- a/assets/prometheus-operator/alerts.yaml
+++ b/assets/prometheus-operator/alerts.yaml
@@ -13,11 +13,11 @@ groups:
       severity: warning
   - alert: PrometheusOperatorReconcileErrors
     annotations:
-      description: Errors while reconciling {{ $labels.controller }} in {{ $labels.namespace
-        }} Namespace.
+      description: '{{ $value | humanizePercentage }} of reconciling operations failed
+        for {{ $labels.controller }} controller in {{ $labels.namespace }} namespace.'
       summary: Errors while reconciling controller.
     expr: |
-      rate(prometheus_operator_reconcile_errors_total{job="prometheus-operator"}[5m]) > 0.1
+      (sum by (controller,namespace) (rate(prometheus_operator_reconcile_errors_total{job="prometheus-operator"}[5m])) / (sum by (controller,namespace) (rate(prometheus_operator_reconcile_operations_total{job="prometheus-operator"}[5m])) > 0.1
     for: 10m
     labels:
       severity: warning
diff --git a/site/content/prometheus-operator/_index.md b/site/content/prometheus-operator/_index.md
index 0b7edb5..a6e2f47 100644
--- a/site/content/prometheus-operator/_index.md
+++ b/site/content/prometheus-operator/_index.md
@@ -38,11 +38,11 @@ labels:
 {{< code lang="yaml" >}}
 alert: PrometheusOperatorReconcileErrors
 annotations:
-  description: Errors while reconciling {{ $labels.controller }} in {{ $labels.namespace
-    }} Namespace.
+  description: '{{ $value | humanizePercentage }} of reconciling operations failed
+    for {{ $labels.controller }} controller in {{ $labels.namespace }} namespace.'
   summary: Errors while reconciling controller.
 expr: |
-  rate(prometheus_operator_reconcile_errors_total{job="prometheus-operator"}[5m]) > 0.1
+  (sum by (controller,namespace) (rate(prometheus_operator_reconcile_errors_total{job="prometheus-operator"}[5m])) / (sum by (controller,namespace) (rate(prometheus_operator_reconcile_operations_total{job="prometheus-operator"}[5m])) > 0.1
 for: 10m
 labels:
   severity: warning