diff --git a/lib/services/iothub/lib/models/index.d.ts b/lib/services/iothub/lib/models/index.d.ts
index b7c36696bd..dc36135a25 100644
--- a/lib/services/iothub/lib/models/index.d.ts
+++ b/lib/services/iothub/lib/models/index.d.ts
@@ -498,7 +498,7 @@ export interface RoutingProperties {
  * The properties of the Azure Storage endpoint for file upload.
  *
  * @member {moment.duration} [sasTtlAsIso8601] The period of time for which the
- * the SAS URI generated by IoT Hub for file upload is valid. See:
+ * 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.
  * @member {string} connectionString The connection string for the Azure
  * Storage account to which files are uploaded.
@@ -622,7 +622,7 @@ export interface IotHubPropertiesDeviceStreams {
  * use to secure a connection to the IoT hub.
  * @member {array} [ipFilterRules] The IP filter rules.
  * @member {string} [provisioningState] The provisioning state.
- * @member {string} [state] Thehub state state.
+ * @member {string} [state] The hub state.
  * @member {string} [hostName] The name of the host.
  * @member {object} [eventHubEndpoints] The Event Hub-compatible endpoint
  * properties. The possible keys to this dictionary are events and
@@ -771,7 +771,7 @@ export interface Resource extends BaseResource {
  * policies you can use to secure a connection to the IoT hub.
  * @member {array} [properties.ipFilterRules] The IP filter rules.
  * @member {string} [properties.provisioningState] The provisioning state.
- * @member {string} [properties.state] Thehub state state.
+ * @member {string} [properties.state] The hub state.
  * @member {string} [properties.hostName] The name of the host.
  * @member {object} [properties.eventHubEndpoints] The Event Hub-compatible
  * endpoint properties. The possible keys to this dictionary are events and
diff --git a/lib/services/iothub/lib/models/iotHubDescription.js b/lib/services/iothub/lib/models/iotHubDescription.js
index 50c8757aa3..7c4a84d8e5 100644
--- a/lib/services/iothub/lib/models/iotHubDescription.js
+++ b/lib/services/iothub/lib/models/iotHubDescription.js
@@ -28,7 +28,7 @@ class IotHubDescription extends models['Resource'] {
    * policies you can use to secure a connection to the IoT hub.
    * @member {array} [properties.ipFilterRules] The IP filter rules.
    * @member {string} [properties.provisioningState] The provisioning state.
-   * @member {string} [properties.state] Thehub state state.
+   * @member {string} [properties.state] The hub state.
    * @member {string} [properties.hostName] The name of the host.
    * @member {object} [properties.eventHubEndpoints] The Event Hub-compatible
    * endpoint properties. The possible keys to this dictionary are events and
diff --git a/lib/services/iothub/lib/models/iotHubProperties.js b/lib/services/iothub/lib/models/iotHubProperties.js
index 6936de1667..8f225d1d62 100644
--- a/lib/services/iothub/lib/models/iotHubProperties.js
+++ b/lib/services/iothub/lib/models/iotHubProperties.js
@@ -21,7 +21,7 @@ class IotHubProperties {
    * use to secure a connection to the IoT hub.
    * @member {array} [ipFilterRules] The IP filter rules.
    * @member {string} [provisioningState] The provisioning state.
-   * @member {string} [state] Thehub state state.
+   * @member {string} [state] The hub state.
    * @member {string} [hostName] The name of the host.
    * @member {object} [eventHubEndpoints] The Event Hub-compatible endpoint
    * properties. The possible keys to this dictionary are events and
diff --git a/lib/services/iothub/lib/models/storageEndpointProperties.js b/lib/services/iothub/lib/models/storageEndpointProperties.js
index dfdd9b08ec..30b016a8b3 100644
--- a/lib/services/iothub/lib/models/storageEndpointProperties.js
+++ b/lib/services/iothub/lib/models/storageEndpointProperties.js
@@ -18,7 +18,7 @@ class StorageEndpointProperties {
   /**
    * Create a StorageEndpointProperties.
    * @member {moment.duration} [sasTtlAsIso8601] The period of time for which
-   * the the SAS URI generated by IoT Hub for file upload is valid. See:
+   * 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.
    * @member {string} connectionString The connection string for the Azure
    * Storage account to which files are uploaded.