docs(): updated changelog

CHANGELOG.md

@@ -7,7 +7,7 @@
 * **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)
 
-# 3.1.1 (unreleased / v3.1.x branch)
+# 3.1.1 (2016-08-01)
 * **IFrame embedding**: Fixed issue of using full iframe height, fixes [#5605](https://github.com/grafana/grafana/issues/5606)
 * **Panel PNG rendering**: Fixed issue detecting render completion, fixes [#5605](https://github.com/grafana/grafana/issues/5606)
 * **Elasticsearch**: Fixed issue with templating query and json parse error, fixes [#5615](https://github.com/grafana/grafana/issues/5615)
@@ -15,6 +15,7 @@
 * **Graphite**: Fixed issue with mixed data sources and Graphite, fixes [#5617](https://github.com/grafana/grafana/issues/5617)
 * **Templating**: Fixed issue with template variable query was issued multiple times during dashboard load, fixes [#5637](https://github.com/grafana/grafana/issues/5637)
 * **Zoom**: Fixed issues with zoom in and out on embedded (iframed) panel, fixes [#4489](https://github.com/grafana/grafana/issues/4489), [#5666](https://github.com/grafana/grafana/issues/5666)
+* **Templating**: Row/Panel repeat issue when saving dashboard caused dupes to appear, fixes [#5591](https://github.com/grafana/grafana/issues/5591)
 
 # 3.1.0 stable (2016-07-12)