diff --git a/ChangeLog b/ChangeLog
index 56886d679d..70eb12bab0 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,6 @@
 Wed Oct  7 01:20:46 2015  Koichi Sasada  <ko1@atdot.net>
 
-	* gc.h, gc.c: introduce new debug function rb_obj_info_dump(VALUE obj)	
+	* gc.h, gc.c: introduce new debug function rb_obj_info_dump(VALUE obj)
 	  which prints the result of rb_raw_obj_info(..., obj).
 
 Wed Oct  7 01:16:11 2015  Koichi Sasada  <ko1@atdot.net>