diff --git a/doc/CHANGES.md b/doc/CHANGES.md
index ff9a1720d4c..71d4ed7b630 100644
--- a/doc/CHANGES.md
+++ b/doc/CHANGES.md
@@ -11,6 +11,8 @@
   and dashboard for managing to-do items and requests. This is functionality
   being piloted in the UK and is not yet recommended for use in other locales
   (Steve Day, Martin Wright, Louise Crow)
+* Fix bug that meant a Postgres collation that was not compatible with the local
+  database encoding could be chosen (Liz Conlan)
 
 ## Upgrade Notes
 * Please update any overriden templates and theme code that reference times and