diff --git a/ru/managed-kubernetes/tutorials/prometheus-grafana-monitoring.md b/ru/managed-kubernetes/tutorials/prometheus-grafana-monitoring.md
index 10f739d83cf..d504351ea38 100644
--- a/ru/managed-kubernetes/tutorials/prometheus-grafana-monitoring.md
+++ b/ru/managed-kubernetes/tutorials/prometheus-grafana-monitoring.md
@@ -110,6 +110,7 @@
      persistent:
        type: "persistentVolume"
        enabled: false
+       volName: "volume"
        mountPath: "/tmp/trickster"
        accessModes:
          - ReadWriteOnce
@@ -119,6 +120,7 @@
      generic:
        type: "generic"
        enabled: true
+       volName: "trickster-generic"
        mountPath: "/tmp/trickster"
    podAnnotations: {}
    resources: {}