README.md in tee_logger-2.0.2 vs README.md in tee_logger-2.1.0

@@ -1,12 +1,12 @@
 [![Gem Version](https://badge.fury.io/rb/tee_logger.svg)](http://badge.fury.io/rb/tee_logger)
 [![Build Status](https://travis-ci.org/k-ta-yamada/tee_logger.svg)](https://travis-ci.org/k-ta-yamada/tee_logger)
 
 Sorry, I changed Usage.
 
-- [rubygems](https://rubygems.org/gems/tee_logger)
-- [github](https://github.com/k-ta-yamada/tee_logger)
+- [Rubygems.org](https://rubygems.org/gems/tee_logger)
+- [GitHub](https://github.com/k-ta-yamada/tee_logger)
 
 # TeeLogger
 
 logging to logfile and standard output.
 
@@ -47,10 +47,11 @@
 
 # logfile only
 tl.logger.info('logger only')
 ```
 
-# TODO feature
+## TODO feature
+
 ```
 # disable and enable console output
 tl.disable(:console)
 tl.info 'this message is logfile only'
 tl.enable(:console)