#355 finalize example

abstract-document/README.md

@@ -12,15 +12,20 @@ tags:
 ## Intent
 Achieve flexibility of untyped languages and keep the type-safety 
 
-![alt text](./etc/abstract-document_1.png "Abstract Document")
+![alt text](./etc/abstract-document-base.png "Abstract Document Base")
+
+![alt text](./etc/abstract-document.png "Abstract Document Traits and Domain")
+
 
 ## Applicability
 Use the Abstract Document Pattern when
 
-* there is a need for dynamic properties
-* you want a better way to organize domain
-* you want loosely coupled system with flexibility of untyped languages
+* there is a need to add new properties on the fly
+* you want a flexible way to organize domain in tree like structure
+* you want more loosely coupled system
 
-## Real world examples
 
-* [Speedment](https://github.com/speedment/speedment)
+## Credits
+
+* [Wikipedia: Abstract Document Pattern](https://en.wikipedia.org/wiki/Abstract_Document_Pattern)
+* [Martin Fowler: Dealing with properties](http://martinfowler.com/apsupp/properties.pdf)