Update CHANGELOG.md

Author: Alexandros Ioannides

CHANGELOG.md

@@ -5,7 +5,8 @@ All notable changes to this project will be documented in this file.
 
 ### Bugfixes
 
-- Fix UI issues after upgrade jQuery + jQuery UI to last version (#2021 and #2032)
+- Fixed UI issues after upgrade jQuery + jQuery UI to last version (#2021 and #2032)
+- Fixed security issues in caching templates of Nginx when used as Reverse Proxy
 
 ## [1.4.9] - Service release