diff --git a/specification/alertsmanagement/resource-manager/Microsoft.AlertsManagement/preview/2019-05-05-preview/AlertsManagement.json b/specification/alertsmanagement/resource-manager/Microsoft.AlertsManagement/preview/2019-05-05-preview/AlertsManagement.json
index 3f65131a026e..942bded696eb 100644
--- a/specification/alertsmanagement/resource-manager/Microsoft.AlertsManagement/preview/2019-05-05-preview/AlertsManagement.json
+++ b/specification/alertsmanagement/resource-manager/Microsoft.AlertsManagement/preview/2019-05-05-preview/AlertsManagement.json
@@ -2082,7 +2082,7 @@
           "$ref": "#/definitions/Condition"
         },
         "description": {
-          "description": "filter alerts by slert rule description",
+          "description": "filter alerts by alert rule description",
           "$ref": "#/definitions/Condition"
         },
         "alertContext": {