Contact.md in purecloudplatformclientv2-21.0.0

- old
+ new

@@ -9,9 +9,9 @@
 |------------ | ------------- | ------------- | -------------|
 | **address** | **String** | Email address or phone number for this contact type | [optional] |
 | **display** | **String** | Formatted version of the address property | [optional] |
 | **media_type** | **String** |  | [optional] |
 | **type** | **String** |  | [optional] |
-| **extension** | **String** | Use extension instead of address for setting internal extensions | [optional] |
+| **extension** | **String** | Use internal extension instead of address. Mutually exclusive with the address field. | [optional] |
 {: class="table table-striped"}
 
 