Updated limits and throttling pages.

Author: rezasherafat

articles/iot-hub/iot-hub-devguide-quotas-throttling.md

@@ -101,7 +101,7 @@ IoT Hub enforces other operational limits:
 | Direct method<sup>1</sup> | Maximum direct method payload size is 128 KB. |
 | Automatic device configurations<sup>1</sup> | 100 configurations per paid SKU hub. 20 configurations per free SKU hub. |
 | IoT Edge automatic deployments<sup>1</sup> | 20 modules per deployment. 100 deployments per paid SKU hub. 10 deployments per free SKU hub. |
-| Twins<sup>1</sup> | Maximum size per twin section (tags, desired properties, reported properties) is 8 KB |
+| Twins<sup>1</sup> | Maximum size of desired properties and reported properties sections are 32 KB each. Maximum size of tags section is 8 KB. |
 
 <sup>1</sup>This feature is not available in the basic tier of IoT Hub. For more information, see [How to choose the right IoT Hub](iot-hub-scaling.md).
 

includes/iot-hub-limits.md

@@ -34,8 +34,8 @@ The following table lists the limits that apply to IoT Hub resources.
 | Maximum delivery count for cloud-to-device <br/> messages |100 |
 | Maximum delivery count for feedback messages <br/> in response to a cloud-to-device message |100 |
 | Maximum TTL for feedback messages in <br/> response to a cloud-to-device message |2 days |
-| [Maximum size of device twin](../articles/iot-hub/iot-hub-devguide-device-twins.md#device-twin-size) <br/> (tags, reported properties, and desired properties) | 8 KB |
-| Maximum length of device twin string key | 64 bytes |
+| [Maximum size of device twin](../articles/iot-hub/iot-hub-devguide-device-twins.md#device-twin-size) | 8 KB for tags, and 32 KB for desired and reported properties sections each |
+| Maximum length of device twin string key | 1 KB |
 | Maximum length of device twin string value | 4 KB |
 | [Maximum depth of object in device twin](../articles/iot-hub/iot-hub-devguide-device-twins.md#tags-and-properties-format) | 10 |
 | Maximum size of direct method payload | 128 KB |