* ext/ripper/lib/ripper/lexer.rb: [DOC] use lower case version of core
	  classes when referring to return value, since we aren't directly
	  talking about the class. Patch by Jonathan Jackson [Bug #9483]

	* lib/open-uri.rb: [DOC] use lower case version of core classes, same
	  as commit r44878, based on patch by Jonathan Jackson [Bug #9483]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@45116 b2dd03c8-39d4-4d8f-98ff-823fe69b080e