diff --git a/ChangeLog b/ChangeLog
index 1074d9345a..48c7aea6fa 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Tue Mar 19 10:05:04 2013  Shota Fukumori  <her@sorah.jp>
+
+	* ext/objspace/objspace.c: Fix typo in doc. Patch by Sho Hashimoto.
+	  [Bug #8116] [ruby-dev:47177]
+
 Tue Mar 19 02:13:00 2013  Kenta Murata  <mrkn@mrkn.jp>
 
 	* configure.in: set ac_cv_prog_cxx if CXX is supplied.
diff --git a/ext/objspace/objspace.c b/ext/objspace/objspace.c
index 5857327f21..720c918555 100644
--- a/ext/objspace/objspace.c
+++ b/ext/objspace/objspace.c
@@ -225,7 +225,7 @@ total_i(void *vstart, void *vend, size_t stride, void *ptr)
  *
  *  def memsize_of_all klass = false
  *    total = 0
- *    ObjectSpace.each_objects{|e|
+ *    ObjectSpace.each_object{|e|
  *      total += ObjectSpace.memsize_of(e) if klass == false || e.kind_of?(klass)
  *    }
  *    total