diff --git a/ChangeLog b/ChangeLog
index 8c1053e8e..79c46ab08 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -78,6 +78,9 @@
 - Added 'QUARTER' virtual tag.
 - Fixed unquoted glob in bash completion script
           (thanks to Ran Benita).
+- Deprecated use of alternate Boolean configuration settings. Use values "0" for
+  off, and "1" for on. Avoid used of "on", "off", "true", "t", "false", "f",
+  "yes", "y", "no", "n".
 
 ------ current release ---------------------------