diff --git a/docs/node-mixin/alerts/alerts.libsonnet b/docs/node-mixin/alerts/alerts.libsonnet
index db1e500a..437ac025 100644
--- a/docs/node-mixin/alerts/alerts.libsonnet
+++ b/docs/node-mixin/alerts/alerts.libsonnet
@@ -267,7 +267,7 @@
           {
             alert: 'NodeRAIDDiskFailure',
             expr: |||
-              node_md_disks{state="fail"} > 0
+              node_md_disks{state="failed"} > 0
             ||| % $._config,
             labels: {
               severity: 'warning',