Update Deposit documentation

docs/dev/model/Deposit.md

@@ -2,18 +2,19 @@
 
 A [Submission](Submission.md) can have multiple Deposits, each to a different [Repository](Repository.md). This entity describes the interaction of PASS with a target [Repository](Repository.md) for an individual [Submission](Submission.md) with the purpose of satisfying one or more [Policies](Policy.md).
 
-| Field  		   | Type  	| Description
+| Attribute  		   | Type  	| Description
 | ---------------- | ------ | ------------- 
-| __id*__          | URI    | Unique Deposit URI (autogenerated)
+| __id*__          | String    | Unique Deposit URI (autogenerated)
 | depositStatusRef | String | A URL or some kind of reference that can be dereferenced, entity body parsed, and used to determine the status of Deposit
 | depositStatus*   | Enum   | Status of deposit ([_see list below_](#deposit-status-options))
-| submission*      | URI    | URI of [Submission](Submission.md) this Deposit is a part of
-| repository*      | URI    | URI of the [Repository](Repository.md) being deposited to 
-| repositoryCopy   | URI    | URI of the [Repository Copy](RepositoryCopy.md) representing the copy that is reltaed to this Deposit. The value is null if there is no copy
-
-*required 
 
-*Properties automatically generated by the system are documented in [System Properties](SystemProperties.md). These are not available to client tools by default.*
+| Relationship | Type | Target  	| Description
+| ---------------- | ------ | ------------- 
+| submission*      | To one | String    | [Submission](Submission.md) this Deposit is a part of
+| repository*      | To one | String    | [Repository](Repository.md) being deposited to 
+| repositoryCopy   | To one | String    | [Repository Copy](RepositoryCopy.md) representing the copy that is reltaed to this Deposit. The value is null if there is no copy
+
+*required 
 
 ## Deposit status options