diff --git a/ChangeLog b/ChangeLog
index f3906f2b67..1c42fcfa11 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -3,11 +3,11 @@ Thu Apr 11 23:41:46 2013  Tanaka Akira  <akr@fsij.org>
 	* common.mk: Add dependencies for include/ruby.h
 
 	* tool/update-deps: Use "make -p all miniruby ruby golf" to extract
-	  deendencies in makefiles.
+	  dependencies in makefiles.
 
 Thu Apr 11 23:21:17 2013  Tanaka Akira  <akr@fsij.org>
 
-	* tool/update-deps: Use "make -p all golf" to extract deendencies in
+	* tool/update-deps: Use "make -p all golf" to extract dependencies in
 	  makefiles.
 
 Thu Apr 11 21:02:19 2013  Tanaka Akira  <akr@fsij.org>