diff --git a/.gitignore b/.gitignore
index 7c30ceeb..8e05b9a0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 target/
 .vscode/
-release.properties
\ No newline at end of file
+release.properties
+*~
diff --git a/docs/dev/model/README.md b/docs/dev/model/README.md
index bfac5aea..a8dbd19e 100644
--- a/docs/dev/model/README.md
+++ b/docs/dev/model/README.md
@@ -1,5 +1,7 @@
 # PASS Data Model
 
+The PASS data model is represented using (JSON API)[https://jsonapi.org/].
+
 In this project you will find
 * [Model Objects](#model-objects) - a description of the fields for each object in the model
 * [Model Diagram](#model-diagram) - a diagram showing the relationships between each object
@@ -24,12 +26,12 @@ The data model consists of the following components. Each is documented in full
  
 ![data model](pass_data_model.jpg)
 
+## Notes
 
-## JSON API
-
-Note that an object is uniquely idnetified by an identifier type tuple. See specification. See elide.
+### Identifiers
 
+An object is uniquely identified by a tuple consiting of its id attribute and its type.
 
-## DateTime attributes
+### DateTime attributes
 
 DateTime attributes are strings formatted as per the Java DateTimeFormatter with pattern `yyyy-MM-dd'T'HH:mm:ss.SSSX`.
diff --git a/docs/dev/model/README.md~ b/docs/dev/model/README.md~
deleted file mode 100644
index 00a81ac3..00000000
--- a/docs/dev/model/README.md~
+++ /dev/null
@@ -1,32 +0,0 @@
-# PASS Data Model
-
-PASS provides a unified user interface that allow its users to deposit their manuscripts into multiple repositories as required by the associated funding agency's public access policies. 
-
-In this project you will find
-* [Model Objects](#model-objects) - a description of the fields for each object in the model
-* [Model Diagram](#model-diagram) - a diagram showing the relationships between each object
-
-## Model Objects
-The data model consists of the following components. Each is documented in full on its own page, you can see all of these pages in the [documentation](documentation/) folder
-
-* [Contributor](documentation/Contributor.md)
-* [Deposit](documentation/Deposit.md)
-* [File](documentation/File.md)
-* [Funder](documentation/Funder.md)
-* [Grant](documentation/Grant.md)
-* [Journal](documentation/Journal.md)
-* [Policy](documentation/Policy.md)
-* [Publication](documentation/Publication.md)
-* [Publisher](documentation/Publisher.md)
-* [Repository](documentation/Repository.md)
-* [RepositoryCopy](documentation/RepositoryCopy.md)
-* [Submission](documentation/Submission.md)
-* [SubmissionEvent](documentation/SubmissionEvent.md)
-* [User](documentation/User.md)
-
-The system also automatically creates additional properties for each entity. These are documented in [System Properties](SystemProperties.md).
-
-## Model Diagram
- 
-![data model](pass_data_model.jpg)
-