diff --git a/deployment/docker/alerts-cluster.yml b/deployment/docker/alerts-cluster.yml
index 30e2eb50d..0d96e19f1 100644
--- a/deployment/docker/alerts-cluster.yml
+++ b/deployment/docker/alerts-cluster.yml
@@ -40,7 +40,7 @@ groups:
         labels:
           severity: critical
         annotations:
-          dashboard: http://localhost:3000/d/oS7Bi_0Wz?viewPanel=200&var-instance={{ $labels.instance }}"
+          dashboard: "http://localhost:3000/d/oS7Bi_0Wz?viewPanel=200&var-instance={{ $labels.instance }}"
           summary: "Instance {{ $labels.instance }} (job={{ $labels.job }}) will run out of disk space soon"
           description: "Disk utilisation on instance {{ $labels.instance }} is more than 80%.\n
             Having less than 20% of free disk space could cripple merges processes and overall performance.
@@ -164,4 +164,4 @@ groups:
           description: "The connection between vminsert (instance {{ $labels.instance }}) and vmstorage (instance {{ $labels.addr }})
             is saturated by more than 90% and vminsert won't be able to keep up.\n
             This usually means that more vminsert or vmstorage nodes must be added to the cluster in order to increase
-            the total number of vminsert -> vmstorage links."
\ No newline at end of file
+            the total number of vminsert -> vmstorage links."