diff --git a/ChangeLog b/ChangeLog
index 322372ab8a2..aff7be3c35e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -250,6 +250,7 @@ Following changes may create regressions for some external modules, but were nec
 * Function showStripePaymentUrl, getStripePaymentUrl, showPaypalPaymentUrl and getPaypalPaymentUrl has been removed. The generic one showOnlinePaymentUrl and getOnlinePaymentUrl are always used.
 * Context for hook showSocinfoOnPrint has been moved from "showsocinfoonprint" to "main"
 * Library htdocs/includes/phpoffice/phpexcel as been removed (replaced with htdocs/includes/phpoffice/PhpSpreadsheet)
+* Databse transaction in your triggers must be correctly balanced (one close for one open). If not, an error will be returned by the trigger, even if trigger did return error code.
 
 
 ***** ChangeLog for 12.0.4 compared to 12.0.3 *****