diff --git a/ChangeLog b/ChangeLog
index feaebd3001..7511b2e855 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -74,7 +74,7 @@ Sat Oct  1 19:19:34 2016  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 	* compile.c (compile_flip_flop): simplify generated code.
 
 	* compile.c (compile_branch_condition): flip-flop can appear only
-	  in coditional expressions.
+	  in conditional expressions.
 
 Sat Oct  1 02:02:02 2016  NAKAMURA Usaku  <usa@ruby-lang.org>
 
@@ -83,7 +83,7 @@ Sat Oct  1 02:02:02 2016  NAKAMURA Usaku  <usa@ruby-lang.org>
 
 Fri Sep 30 19:06:21 2016  Anton Davydov  <mail@davydovanton.com>
 
-	* lib/uri/http.rb: Documentation and code style imrovements.
+	* lib/uri/http.rb: Documentation and code style improvements.
 	* test/uri/test_http.rb: Added test for coverage.
 	  [fix GH-1427][ruby-core:77255][Misc #12756]