rc6 (#3727)

CHANGELOG.md

@@ -5,7 +5,7 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-## Unreleased
+## [2.0.0-rc6]
 
 ### Changed
 
@@ -1270,6 +1270,7 @@ Some discrepancies with the TR remain, and are being tracked under https://githu
 
 Initial pre-release
 
+[2.0.0-rc6]: https://github.com/microsoft/CCF/releases/tag/ccf-2.0.0-rc6
 [2.0.0-rc5]: https://github.com/microsoft/CCF/releases/tag/ccf-2.0.0-rc5
 [2.0.0-rc4]: https://github.com/microsoft/CCF/releases/tag/ccf-2.0.0-rc4
 [2.0.0-rc3]: https://github.com/microsoft/CCF/releases/tag/ccf-2.0.0-rc3