Merge pull request #173 from jensechu/patch-1

Translated Japanese link for usability

Author: rwaldron

readme.md

@@ -58,7 +58,7 @@
 * [Spanish](https://github.com/rwldrn/idiomatic.js/tree/master/translations/es_ES)
 * [Portuguese - Brazil](https://github.com/rwldrn/idiomatic.js/tree/master/translations/pt_BR)
 * [Korean](https://github.com/rwldrn/idiomatic.js/tree/master/translations/ko_KR)
-* [Japanese](https://github.com/rwldrn/idiomatic.js/tree/master/translations/ja_JP)
+* [日本語](https://github.com/rwldrn/idiomatic.js/tree/master/translations/ja_JP)
 * [Italian](https://github.com/rwldrn/idiomatic.js/tree/master/translations/it_IT)
 * [Russian](https://github.com/rwldrn/idiomatic.js/tree/master/translations/ru_RU)
 * [Romanian](https://github.com/rwldrn/idiomatic.js/tree/master/translations/ro_RO)