* ext/psych/lib/psych.rb: fix typo by @jwworth [fix GH-500]

*  lib/rake/file_list.rb: ditto

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44652 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ext/psych/lib/psych.rb

@@ -72,7 +72,7 @@ require 'psych/class_loader'
 # ==== Exception handling
 #
 #   begin
-#     # The second argument chnages only the exception contents
+#     # The second argument changes only the exception contents
 #     Psych.parse("--- `", "file.txt")
 #   rescue Psych::SyntaxError => ex
 #     ex.file    # => 'file.txt'

lib/rake/file_list.rb

@@ -391,7 +391,7 @@ module Rake
       end
 
       # Get a sorted list of files matching the pattern. This method
-      # should be prefered to Dir[pattern] and Dir.glob(pattern) because
+      # should be preferred to Dir[pattern] and Dir.glob(pattern) because
       # the files returned are guaranteed to be sorted.
       def glob(pattern, *args)
         Dir.glob(pattern, *args).sort