docs: updated changelog

CHANGELOG.md

@@ -7,12 +7,17 @@
 - UX changes to nav & side menu
 - New dashboard grid layout system
 
+# 4.5.1 (unreleased)
+
+## Fixes
+* **MySQL**: Fixed issue with query editor now showing [#9247](https://github.com/grafana/grafana/issues/9247)
+
 # 4.5.0 (2017-09-14)
 
 ## Fixes & Enhancements since beta1
 * **Security**: Security fix for api vulnerability (in multiple org setups).
 * **Shortcuts**: Adds shortcut for creating new dashboard [#8876](https://github.com/grafana/grafana/pull/8876) thx [@mtanda](https://github.com/mtanda)
-* **Graph**: Right Y-Axis label position fixed [#9172](https://github.com/grafana/grafana/pull/9172) 
+* **Graph**: Right Y-Axis label position fixed [#9172](https://github.com/grafana/grafana/pull/9172)
 * **General**: Improve rounding of time intervals [#9197](https://github.com/grafana/grafana/pull/9197), thx [@alin-amana](https://github.com/alin-amana)
 
 # 4.5.0-beta1 (2017-09-05)