diff --git a/specification/containerservice/resource-manager/Microsoft.ContainerService/stable/2021-07-01/managedClusters.json b/specification/containerservice/resource-manager/Microsoft.ContainerService/stable/2021-07-01/managedClusters.json
index 8ff720f12f79..aeebbad48cdb 100644
--- a/specification/containerservice/resource-manager/Microsoft.ContainerService/stable/2021-07-01/managedClusters.json
+++ b/specification/containerservice/resource-manager/Microsoft.ContainerService/stable/2021-07-01/managedClusters.json
@@ -5038,7 +5038,7 @@
         },
         "logAnalyticsWorkspaceResourceId": {
           "type": "string",
-          "description": "Resource ID of the Log Analytics workspace to be associated with Azure Defender.  When Azure Defender is enabled, this field is required and must be a valid workspace resource ID. When Azure Defender is disabled, leave the field empty."
+          "description": "Resource ID of the Log Analytics workspace to be associated with Azure Defender.  When Azure Defender is enabled, this field is required and must be a valid workspace resource ID. When Azure Defender is disabled, this field should not be exists."
         }
       },
       "description": "Azure Defender settings for the security profile."
diff --git a/specification/containerservice/resource-manager/Microsoft.ContainerService/stable/2021-08-01/managedClusters.json b/specification/containerservice/resource-manager/Microsoft.ContainerService/stable/2021-08-01/managedClusters.json
index 56a5331d80c8..73f20e93720c 100644
--- a/specification/containerservice/resource-manager/Microsoft.ContainerService/stable/2021-08-01/managedClusters.json
+++ b/specification/containerservice/resource-manager/Microsoft.ContainerService/stable/2021-08-01/managedClusters.json
@@ -5367,7 +5367,7 @@
         },
         "logAnalyticsWorkspaceResourceId": {
           "type": "string",
-          "description": "Resource ID of the Log Analytics workspace to be associated with Azure Defender.  When Azure Defender is enabled, this field is required and must be a valid workspace resource ID. When Azure Defender is disabled, leave the field empty."
+          "description": "Resource ID of the Log Analytics workspace to be associated with Azure Defender.  When Azure Defender is enabled, this field is required and must be a valid workspace resource ID. When Azure Defender is disabled, this field should not be exists."
         }
       },
       "description": "Azure Defender settings for the security profile."
diff --git a/specification/containerservice/resource-manager/Microsoft.ContainerService/stable/2021-09-01/managedClusters.json b/specification/containerservice/resource-manager/Microsoft.ContainerService/stable/2021-09-01/managedClusters.json
index b3de3559c27c..d54d96e75b9b 100644
--- a/specification/containerservice/resource-manager/Microsoft.ContainerService/stable/2021-09-01/managedClusters.json
+++ b/specification/containerservice/resource-manager/Microsoft.ContainerService/stable/2021-09-01/managedClusters.json
@@ -5399,7 +5399,7 @@
         },
         "logAnalyticsWorkspaceResourceId": {
           "type": "string",
-          "description": "Resource ID of the Log Analytics workspace to be associated with Azure Defender.  When Azure Defender is enabled, this field is required and must be a valid workspace resource ID. When Azure Defender is disabled, leave the field empty."
+          "description": "Resource ID of the Log Analytics workspace to be associated with Azure Defender.  When Azure Defender is enabled, this field is required and must be a valid workspace resource ID. When Azure Defender is disabled, this field should not be exists."
         }
       },
       "description": "Azure Defender settings for the security profile."
diff --git a/specification/containerservice/resource-manager/Microsoft.ContainerService/stable/2021-10-01/managedClusters.json b/specification/containerservice/resource-manager/Microsoft.ContainerService/stable/2021-10-01/managedClusters.json
index ec3eea9fd20c..0d3d98637dba 100644
--- a/specification/containerservice/resource-manager/Microsoft.ContainerService/stable/2021-10-01/managedClusters.json
+++ b/specification/containerservice/resource-manager/Microsoft.ContainerService/stable/2021-10-01/managedClusters.json
@@ -5454,7 +5454,7 @@
         },
         "logAnalyticsWorkspaceResourceId": {
           "type": "string",
-          "description": "Resource ID of the Log Analytics workspace to be associated with Azure Defender.  When Azure Defender is enabled, this field is required and must be a valid workspace resource ID. When Azure Defender is disabled, leave the field empty."
+          "description": "Resource ID of the Log Analytics workspace to be associated with Azure Defender.  When Azure Defender is enabled, this field is required and must be a valid workspace resource ID. When Azure Defender is disabled, this field should not be exists."
         }
       },
       "description": "Azure Defender settings for the security profile."