fix typos

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38072 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -4,14 +4,14 @@ Sat Dec  1 00:08:55 2012  NAKAMURA Usaku  <usa@ruby-lang.org>
 	  (TestGemInstaller#test_check_executable_overwrite_other_non_gem):
 	  on Windows, rubygems always generate a wrapper .bat file when
 	  installing a file into bin, so testing no-overwrite a wrapper file
-	  and a non-wrapper file is nonsence.  see [ruby-core:50388].
+	  and a non-wrapper file is nonsense.  see [ruby-core:50388].
 
 Fri Nov 30 23:39:58 2012  NAKAMURA Usaku  <usa@ruby-lang.org>
 
 	* test/rubygems/test_gem_installer.rb
 	  (TestGemInstaller#test_check_executable_overwrite_default_bin_dir):
 	  if the executable to be overwritten was generated by rubygems, the
-	  error messsage differs from the only copied one's.
+	  error message differs from the only copied one's.
 	  see [ruby-core:50388].
 
 Fri Nov 30 23:27:26 2012  NAKAMURA Usaku  <usa@ruby-lang.org>