diff --git a/specification/network/resource-manager/Microsoft.Network/stable/2018-11-01/applicationGateway.json b/specification/network/resource-manager/Microsoft.Network/stable/2018-11-01/applicationGateway.json
index 7eb4c02dbc8f..083f728fd73d 100644
--- a/specification/network/resource-manager/Microsoft.Network/stable/2018-11-01/applicationGateway.json
+++ b/specification/network/resource-manager/Microsoft.Network/stable/2018-11-01/applicationGateway.json
@@ -2100,11 +2100,18 @@
     "ApplicationGatewayAutoscaleConfiguration": {
       "properties": {
         "minCapacity": {
+          "type": "integer",
+          "format": "int32",
+          "minimum": 0,
+          "exclusiveMinimum": false,
+          "description": "Lower bound on number of Application Gateway capacity"
+        },
+        "maxCapacity": {
           "type": "integer",
           "format": "int32",
           "minimum": 2,
           "exclusiveMinimum": false,
-          "description": "Lower bound on number of Application Gateway instances"
+          "description": "Upper bound on number of Application Gateway capacity"
         }
       },
       "required": [