diff --git a/cortex-mixin/alerts/alerts.libsonnet b/cortex-mixin/alerts/alerts.libsonnet
index 9abe1ba..ec44565 100644
--- a/cortex-mixin/alerts/alerts.libsonnet
+++ b/cortex-mixin/alerts/alerts.libsonnet
@@ -407,7 +407,7 @@
         },
         {
           alert: 'CortexProvisioningTooManyWrites',
-          // 80k writes / s per ingester max.
+          // 160k writes / s per ingester max.
           expr: |||
             avg by (%s) (rate(cortex_ingester_ingested_samples_total[1m])) > 160e3
           ||| % $._config.alert_aggregation_labels,