preface.rst: clarify relationship between DSDG and DSS pre #49

preface.rst

@@ -21,7 +21,7 @@ User empathy is focused on ergonomics at the point of delivery. Developer empath
 
 The gold standard in developer empathy is found in thriving open source projects. Collaboration, peer review and a responsive community are the hallmarks of such projects. Organisations that do well in this space nurture their relationship with developers as though their survival depends on it (quite often because it does). This does not describe Australian Government IT of today, but hopefully describes the "government as a platform" of tomorrow. Some things are certain: APIs are important, they can generate additional and significant value, developer empathy is critical to successs and we need all the help we can get.
 
-The DTO planned to release a draft API design guide describing contemporary best practices in API design and developer empathy. The final document would be mandatory policy that all Commonwealth agencies must follow, and that citizens could be entitled to expect. The purpose of releasing a draft was to get feedback, but at the last minute we had a better idea...
+The DTO planned to release a draft API design guide describing contemporary best practices in API design and developer empathy. The final document (API Design Guide) will inform assessment of conformance against mandatory policy (the Digital Service Standard) that all Commonwealth agencies must follow, and that citizens could be entitled to expect. The purpose of releasing a draft was to get feedback, but at the last minute we had a better idea...
 
 We want feedback from developers, right? So we figured: why not convert it to a developer-friendly format, published in a version control system with a public ticket system for issues and support, and invited our users to help us make it better?