diff --git a/ChangeLog b/ChangeLog
index a799ac29b6..b02aa1dc77 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -20,6 +20,14 @@ Sun Feb  7 11:44:03 2016  Martin Duerst  <duerst@it.aoyama.ac.jp>
 	  to pass as parameters; not yet implemented or used.
 	(with Kimihito Matsui)
 
+
+Sun Feb  7 11:16:00 2016  Martin Duerst  <duerst@it.aoyama.ac.jp>
+
+	* common.mk: using new option in recipe for enc/unicode/casefold.h
+
+	* enc/unicode/case-folding.rb: Correctly specify argument to new option.
+	(with Kimihito Matsui)
+
 Sun Feb  7 10:43:27 2016  Martin Duerst  <duerst@it.aoyama.ac.jp>
 
 	(this commit message applies to the previous commit)