diff --git a/helm/bundles/cortex-nova/templates/alerts.yaml b/helm/bundles/cortex-nova/templates/alerts.yaml
index 76fe545e1..bc8f7c9ea 100644
--- a/helm/bundles/cortex-nova/templates/alerts.yaml
+++ b/helm/bundles/cortex-nova/templates/alerts.yaml
@@ -340,7 +340,7 @@ spec:
           completed its first reconciliation yet. This may indicate issues with
           the datasource controller's workqueue overprioritizing other datasources.
 
-    - alert: CortexNovaExistingDatasourcesLackingBehind
+    - alert: CortexNovaExistingDatasourcesLaggingBehind
       expr: |
         sum by(datasource) (cortex_datasource_seconds_until_reconcile{queued="true",domain="nova"}) < -600
         and on(datasource) cortex_datasource_state{state="ready",domain="nova"} == 1
@@ -353,7 +353,7 @@ spec:
         support_group: workload-management
         playbook: docs/support/playbook/cortex/alerts/datasources
       annotations:
-        summary: "Existing datasource `{{ "{{" }} $labels.datasource {{ "}}" }}` is lacking behind"
+        summary: "Existing datasource `{{ "{{" }} $labels.datasource {{ "}}" }}` is lagging behind"
         description: >
           An existing datasource `{{ "{{" }} $labels.datasource {{ "}}" }}` has been queued for
           reconciliation for more than 10 minutes. This may indicate issues with