Update CHANGELOG.md

Co-authored-by: Chris Gillum <cgillum@microsoft.com>

Author: bachuv

CHANGELOG.md

@@ -1,5 +1,6 @@
 ## v1.5.2
-* Add tracing support for Azure Functions client scenarios ([#211](https://github.com/microsoft/durabletask-java/pull/211))
+* Add distributed tracing support for Azure Functions client scenarios ([#211](https://github.com/microsoft/durabletask-java/pull/211))
+
 
 ## v1.5.1
 * Improve logging for unexpected connection failures in DurableTaskGrpcWorker ([#216](https://github.com/microsoft/durabletask-java/pull/216/files))