diff --git a/Documentation/etcd-mixin/mixin.libsonnet b/Documentation/etcd-mixin/mixin.libsonnet
index 6c146fdcb..a38b79518 100644
--- a/Documentation/etcd-mixin/mixin.libsonnet
+++ b/Documentation/etcd-mixin/mixin.libsonnet
@@ -184,7 +184,7 @@
               severity: 'critical',
             },
             annotations: {
-              message: 'etcd cluster "{{ $labels.job }}": 99th percentile fync durations are {{ $value }}s on etcd instance {{ $labels.instance }}.',
+              message: 'etcd cluster "{{ $labels.job }}": 99th percentile fsync durations are {{ $value }}s on etcd instance {{ $labels.instance }}.',
             },
           },
           {