Update README.md

Author: VisualBean

README.md

@@ -7,7 +7,7 @@ This is unfortunate, but after much back and not a lot of forth, I have decided
 
 
 The AsyncAPI.NET SDK contains a useful object model for the AsyncAPI specification in .NET along with common serializers to extract raw AsyncAPI JSON and YAML documents from the model as well.
-
+V3 is currently in pre-release - so grab that if you need V3
 [CHANGELOG](https://github.com/ByteBardOrg/AsyncAPI.NET/blob/vnext/CHANGELOG.md)  
 [Wiki and getting started guide](https://github.com/ByteBardOrg/AsyncAPI.NET/wiki)