updated module twin size in devguide per device twin limist

Author: JimacoMS3

articles/iot-hub/iot-hub-devguide-module-twins.md

@@ -261,7 +261,7 @@ Tags, desired properties, and reported properties are JSON objects with the foll
 
 ## Module twin size
 
-IoT Hub enforces an 8KB size limitation on each of the respective total values of `tags`, `properties/desired`, and `properties/reported`, excluding read-only elements.
+IoT Hub enforces an 8 KB size limitation on the value of `tags`, and a 32 KB size limitation each on the value of `properties/desired` and `properties/reported`. These totals are exclusive of read-only elements.
 
 The size is computed by counting all characters, excluding UNICODE control characters (segments C0 and C1) and spaces that are outside of string constants.