diff --git a/ChangeLog b/ChangeLog
index ac137de3c..ba234dcce 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -13,6 +13,8 @@
  + Added feature #391, now the 'task color legend' command will show
    samples of all the defined colors and color rules from your .taskrc
    and theme.
+ + Added feature #421, and now task can sync data files from two sources
+   via the 'merge' command.
  + Added feature #423, now custom report filters allow rc overrides.
  + Added feature #428, preparing the new structure for the NEWS file.
  + Added feature #429, which improves the 'all' report to exclude deleted.