diff --git a/ChangeLog b/ChangeLog
index 1618bdbee..d92d621ec 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -23,6 +23,8 @@
 - #1511 sync init crashes if client certification file is empty or invalid
         (thanks to Marton Suranyi).
 - TW-1 Recurring task message on the same task (thanks to Profpatsch).
+- TW-2 Unexpected behaviour - marking task as done releases task ID (thanks to
+       Cory Donnelly).
 - TW-5 color.due.today does not work (thanks to Max Muller).
 - TW-15 'task recurring' shows only children of recurring tasks (thanks to
         Louis-Claude Canon).