diff --git a/CHANGELOG b/CHANGELOG
index b6748c1ea6..edaa733322 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,6 +1,7 @@
 Cacti CHANGELOG
 
 1.2.21
+-issue#4531: Remove 12 duplicate indexes from database
 -issue#4683: When adding device, errors may be reported whilst updating templates
 -issue#4684: Undefined variable warning causes error image not to be generated
 -issue#4688: Two syntax error for PHP 5.4