diff --git a/specification/monitor/resource-manager/Microsoft.Insights/stable/2016-03-01/alertRules_API.json b/specification/monitor/resource-manager/Microsoft.Insights/stable/2016-03-01/alertRules_API.json
index f9d1e42c1f5e..0f5f7a89919c 100644
--- a/specification/monitor/resource-manager/Microsoft.Insights/stable/2016-03-01/alertRules_API.json
+++ b/specification/monitor/resource-manager/Microsoft.Insights/stable/2016-03-01/alertRules_API.json
@@ -38,7 +38,7 @@
   "paths": {
     "/subscriptions/{subscriptionId}/resourcegroups/{resourceGroupName}/providers/microsoft.insights/alertrules/{ruleName}": {
       "put": {
-        "description": "Creates or updates an alert rule.",
+        "description": "Creates or updates a classic metric alert rule.",
         "tags": [
           "AlertRules"
         ],
@@ -93,7 +93,7 @@
         }
       },
       "delete": {
-        "description": "Deletes an alert rule",
+        "description": "Deletes a classic metric alert rule",
         "tags": [
           "AlertRules"
         ],
@@ -127,7 +127,7 @@
         }
       },
       "get": {
-        "description": "Gets an alert rule",
+        "description": "Gets a classic metric alert rule",
         "tags": [
           "AlertRules"
         ],
@@ -161,7 +161,7 @@
         }
       },
       "patch": {
-        "description": "Updates an existing AlertRuleResource. To update other fields use the CreateOrUpdate method.",
+        "description": "Updates an existing classic metric AlertRuleResource. To update other fields use the CreateOrUpdate method.",
         "operationId": "AlertRules_Update",
         "parameters": [
           {
@@ -219,7 +219,7 @@
           "AlertRules"
         ],
         "operationId": "AlertRules_ListByResourceGroup",
-        "description": "List the alert rules within a resource group.",
+        "description": "List the classic metric alert rules within a resource group.",
         "parameters": [
           {
             "$ref": "#/parameters/ResourceGroupNameParameter"
@@ -255,7 +255,7 @@
           "AlertRules"
         ],
         "operationId": "AlertRules_ListBySubscription",
-        "description": "List the alert rules within a subscription.",
+        "description": "List the classic metric alert rules within a subscription.",
         "parameters": [
           {
             "$ref": "#/parameters/ApiVersionParameter"
diff --git a/specification/monitor/resource-manager/Microsoft.Insights/stable/2016-03-01/examples/createOrUpdateAlertRule.json b/specification/monitor/resource-manager/Microsoft.Insights/stable/2016-03-01/examples/createOrUpdateAlertRule.json
index 50712ab18981..9b2847370ee1 100644
--- a/specification/monitor/resource-manager/Microsoft.Insights/stable/2016-03-01/examples/createOrUpdateAlertRule.json
+++ b/specification/monitor/resource-manager/Microsoft.Insights/stable/2016-03-01/examples/createOrUpdateAlertRule.json
@@ -23,7 +23,6 @@
           "windowSize": "PT5M",
           "timeAggregation": "Total"
         },
-        "lastUpdatedTime": "2016-11-23T21:23:52.0221265Z",
         "actions": []
       }
     }
diff --git a/specification/monitor/resource-manager/Microsoft.Insights/stable/2016-03-01/examples/patchAlertRule.json b/specification/monitor/resource-manager/Microsoft.Insights/stable/2016-03-01/examples/patchAlertRule.json
index df5d714900ba..4c7dca8d33cf 100644
--- a/specification/monitor/resource-manager/Microsoft.Insights/stable/2016-03-01/examples/patchAlertRule.json
+++ b/specification/monitor/resource-manager/Microsoft.Insights/stable/2016-03-01/examples/patchAlertRule.json
@@ -24,7 +24,6 @@
           "windowSize": "PT5M",
           "timeAggregation": "Total"
         },
-        "lastUpdatedTime": "2016-11-23T21:23:52.0221265Z",
         "actions": []
       }
     }
diff --git a/specification/monitor/resource-manager/Microsoft.Insights/stable/2018-03-01/metricAlert_API.json b/specification/monitor/resource-manager/Microsoft.Insights/stable/2018-03-01/metricAlert_API.json
index ff54ab2714a8..79be5f2a8c27 100644
--- a/specification/monitor/resource-manager/Microsoft.Insights/stable/2018-03-01/metricAlert_API.json
+++ b/specification/monitor/resource-manager/Microsoft.Insights/stable/2018-03-01/metricAlert_API.json
@@ -525,7 +525,7 @@
         },
         "autoMitigate": {
           "type": "boolean",
-          "description": "the flag that indicates whether the alert should be auto resolved or not."
+          "description": "the flag that indicates whether the alert should be auto resolved or not. The default is true."
         },
         "actions": {
           "type": "array",