diff --git a/alerting/src/main/kotlin/org/opensearch/alerting/settings/AlertingSettings.kt b/alerting/src/main/kotlin/org/opensearch/alerting/settings/AlertingSettings.kt
index dc554b455..462f36b19 100644
--- a/alerting/src/main/kotlin/org/opensearch/alerting/settings/AlertingSettings.kt
+++ b/alerting/src/main/kotlin/org/opensearch/alerting/settings/AlertingSettings.kt
@@ -226,7 +226,7 @@ class AlertingSettings {
 
         val ALERTING_COMMENTS_ENABLED = Setting.boolSetting(
             "plugins.alerting.comments_enabled",
-            false,
+            true,
             Setting.Property.NodeScope, Setting.Property.Dynamic
         )