diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1a66686fea5..3ead9a12704 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,7 @@
 * **SingleStat**: Add seriename as option in singlestat panel, closes [#4740](https://github.com/grafana/grafana/issues/4740)
 * **Localization**: Week start day now dependant on browser locale setting, closes [#3003](https://github.com/grafana/grafana/issues/3003)
 * **Templating**: Update panel repeats for variables that change on time refresh, closes [#5021](https://github.com/grafana/grafana/issues/5021)
+* **Elasticsearch**: Support to set Precision Threshold for Unique Count metric, closes [#4689](https://github.com/grafana/grafana/issues/4689)
 
 # 3.1.0 stable (2016-07-12)