docs(changelog): add date for 4.0.2 release

bergquist · bergquist · commit 7c3c8bc4c912 · 2016-12-08T15:14:44.000+01:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -14,7 +14,7 @@
 * **API**: HTTP API for deleting org returning incorrect message for a non-existing org [#6679](https://github.com/grafana/grafana/issues/6679)
 * **Dashboard**: Posting empty dashboard result in corrupted dashboard [#5443](https://github.com/grafana/grafana/issues/5443)
 
-# 4.0.2 (unreleased)
+# 4.0.2 (2016-12-08)
 
 ### Enhancements
 * **Playlist**: Add support for kiosk mode [#6727](https://github.com/grafana/grafana/issues/6727)
