CHANGELOG.md in statsd-instrument-2.1.4 vs CHANGELOG.md in statsd-instrument-2.2.0

@@ -3,9 +3,13 @@
 This file documents the changes between releases of this library. When creating a pull request,
 please at an entry to the "unreleased changes" section below.
 
 ### Unreleased changes
 
+### Version 2.2.0
+
+- Add support for two new datadog specific metric types: events and service checks.
+
 ### Version 2.1.3
 
 - The `assert_statsd_calls` test helper will now raise an exception whenever a block isn't passed.
 - Sending stats inside an exit handler will no longer cause programs to exit abruptly.