diff --git a/ChangeLog b/ChangeLog
index ec0eaf3933..0ac00c69c4 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -96,7 +96,7 @@ Mon Oct  4 07:16:55 2010  NARUSE, Yui  <naruse@ruby-lang.org>
 
 Mon Oct  4 06:40:24 2010  NARUSE, Yui  <naruse@ruby-lang.org>
 
-	* Makefile.in (clean-rdoc): Don't use \ in variable expantion.
+	* Makefile.in (clean-rdoc): Don't use \ in variable expansion.
 	  BSD make treats it as an escape character.
 
 Mon Oct  4 00:01:53 2010  wanabe  <s.wanabe@gmail.com>
@@ -177,7 +177,7 @@ Wed Sep 29 17:41:34 2010  Kenta Murata <mrkn@mrkn.jp>
 
 Wed Sep 29 16:18:03 2010  NAKAMURA Usaku  <usa@ruby-lang.org>
 
-	* vm_dump.c (dump_thread): remove ununsed optional arguments.
+	* vm_dump.c (dump_thread): remove unused optional arguments.
 
 Wed Sep 29 13:26:30 2010  Kenta Murata <mrkn@mrkn.jp>
 
@@ -211,7 +211,7 @@ Tue Sep 28 20:50:23 2010  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 Tue Sep 28 20:06:14 2010  NAKAMURA Usaku  <usa@ruby-lang.org>
 
 	* vm_dump.c (rb_vm_bugreport): add windows support.
-	  based on patchs from Peter Weldon at [ruby-core:32551]
+	  based on patches from Peter Weldon at [ruby-core:32551]
 
 Mon Sep 27 23:30:34 2010  Koichi Sasada  <ko1@atdot.net>