diff --git a/ChangeLog b/ChangeLog
index 0f99fd952..4d383cbc2 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -2,6 +2,9 @@
 
 - TW #1654 "Due" parsing behaviour seems inconsistent
            Thanks to Max Rossmannek.
+- TW #1788 When deleting recurring task all tasks, including completed tasks,
+           are marked as deleted
+           Thanks to Alan Young.
 - TW #1896 Parser cannot handle empty parentheses
            Thanks to Tomas Babej.
 - TW #1908 Cannot create task with explicit description 'start ....'