diff --git a/ChangeLog b/ChangeLog
index f8ed8f36bf..b9a660654b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Tue Jan  5 21:44:37 2016  SHIBATA Hiroshi  <hsbt@ruby-lang.org>
+
+	* ChangeLog: fix wrong class name.
+
 Tue Jan  5 21:43:50 2016  Kuniaki IGARASHI  <igaiga@gmail.com>
 
 	* test/ruby/test_string.rb(test_chr): added test for String#chr
@@ -5,7 +9,7 @@ Tue Jan  5 21:43:50 2016  Kuniaki IGARASHI  <igaiga@gmail.com>
 
 Tue Jan  5 21:32:26 2016  Kuniaki IGARASHI  <igaiga@gmail.com>
 
-	* test/ruby/test_numeric.rb (test_nonzero_p): added test for String#nonzero?
+	* test/ruby/test_numeric.rb (test_nonzero_p): added test for Numeric#nonzero?
 	  [fix GH-1187]
 
 Tue Jan  5 11:47:23 2016  Damir Gaynetdinov  <damir.gaynetdinov@gmail.com>