diff --git a/specification/iothub/resource-manager/Microsoft.Devices/preview/2018-12-01-preview/iothub.json b/specification/iothub/resource-manager/Microsoft.Devices/preview/2018-12-01-preview/iothub.json
index 2d625f517795..7487dbf365a5 100644
--- a/specification/iothub/resource-manager/Microsoft.Devices/preview/2018-12-01-preview/iothub.json
+++ b/specification/iothub/resource-manager/Microsoft.Devices/preview/2018-12-01-preview/iothub.json
@@ -511,7 +511,7 @@
         ],
         "responses": {
           "200": {
-            "description": "This is a synchronous operation. The body contains a JSON-serialized list of the consumer groups in the the Event Hub-compatible endpoint in this IoT hub",
+            "description": "This is a synchronous operation. The body contains a JSON-serialized list of the consumer groups in the Event Hub-compatible endpoint in this IoT hub",
             "schema": {
               "$ref": "#/definitions/EventHubConsumerGroupsListResult"
             }
@@ -1910,7 +1910,7 @@
           "readOnly": true
         },
         "state": {
-          "description": "Thehub state state.",
+          "description": "The hub state.",
           "type": "string",
           "readOnly": true
         },
@@ -2068,7 +2068,7 @@
       "type": "object",
       "properties": {
         "sasTtlAsIso8601": {
-          "description": "The period of time for which the the SAS URI generated by IoT Hub for file upload is valid. See: https://docs.microsoft.com/azure/iot-hub/iot-hub-devguide-file-upload#file-upload-notification-configuration-options.",
+          "description": "The period of time for which the SAS URI generated by IoT Hub for file upload is valid. See: https://docs.microsoft.com/azure/iot-hub/iot-hub-devguide-file-upload#file-upload-notification-configuration-options.",
           "type": "string",
           "format": "duration"
         },