Added disclaimer to README.md

README.md

 # NFV API Conformance Test Specification
 
-This repository hosts the NFV API Conformance test specification for the APIs defined in ETSI NFV GS [SOL002](https://www.etsi.org/deliver/etsi_gs/NFV-SOL/001_099/002/02.04.01_60/gs_NFV-SOL002v020401p.pdf), [SOL003](https://www.etsi.org/deliver/etsi_gs/NFV-SOL/001_099/003/02.04.01_60/gs_NFV-SOL003v020401p.pdf), [SOL005](http://www.etsi.org/deliver/etsi_gs/NFV-SOL/001_099/005/02.04.01_60/gs_NFV-SOL005v020401p.pdf), in their versions v2.4.1.
+This repository hosts the NFV API Conformance test specification for 
+the APIs defined in ETSI NFV GS [SOL002](https://www.etsi.org/deliver/etsi_gs/NFV-SOL/001_099/002/02.04.01_60/gs_NFV-SOL002v020401p.pdf), [SOL003](https://www.etsi.org/deliver/etsi_gs/NFV-SOL/001_099/003/02.04.01_60/gs_NFV-SOL003v020401p.pdf), [SOL005](http://www.etsi.org/deliver/etsi_gs/NFV-SOL/001_099/005/02.04.01_60/gs_NFV-SOL005v020401p.pdf), in their versions v2.4.1.
+
+## Disclaimer
+
+This repository contains working test cases implemented using the Robot 
+framework. It is provided for information only and is still under development. 
+The test cases may be updated, deleted, replaced, or obsoleted by other 
+contents at any time. As test cases are approved, they will be reflected 
+in the normative provisions of 
+[GS NFV-TST010](https://docbox.etsi.org/isg/nfv/open/Drafts/TST010_API_Conformance_Testing).
+
+The material in this repository does not guarantee the full compliance 
+to the SOL specifications. The normative provisions of the test suite, 
+including the scope of the test cases, are still under development. 
+
+
+## Overview
 
 The Test Specification is built as a collection of [Robot Framework](robotframework.org/) Test Description. [Robot Framework](robotframework.org/) is a generic test automation framework for acceptance testing and acceptance test-driven development.