diff --git a/ChangeLog b/ChangeLog
index 711cf49621..67030dbe1b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+Sat Jan 13 19:39:30 2001  WATANABE Hirofumi  <eban@ruby-lang.org>
+
+	* re.c (rb_reg_desc): separate RE_OPTION_MULTILINE
+
+	* re.c (rb_reg_options): add RE_OPTION_{POSIXLINE,RE_OPTION_MULTILINE,
+	  RE_OPTION_EXTENDED}
+
 Thu Jan 11 10:45:04 2001  WATANABE Hirofumi  <eban@ruby-lang.org>
 
 	* win32/win32.h, win32/config.h.in: move NORETURN from win32.h