fix readme.

README.md

@@ -2,15 +2,15 @@ NMTKit
 ======
 
 
-(Japanese version is available [here](https://github.com/odashi/nmtkit/tree/master/README_ja.md))
+(Japanese version is [here](https://github.com/odashi/nmtkit/tree/master/README_ja.md))
 
 **NMTKit** is a neural network-based statistical machine translation toolkit.
 This toolkit is written by C++, and the main computation architecture is based
 on [DyNet](https://github.com/clab/dynet).
 
 To get started, see files in the
 [doc](https://github.com/odashi/nmtkit/tree/master/doc) directory, which
-includes some instruction guides in English/Japanese to use this toolkit.
+includes some instruction guides to use this toolkit.
 
 
 Contact

README_ja.md

@@ -2,7 +2,7 @@ NMTKit
 ======
 
 
-(English version is available [here](https://github.com/odashi/nmtkit/tree/master/README.md))
+(English is [here](https://github.com/odashi/nmtkit/tree/master/README.md))
 
 
 **NMTKit**はニューラルネットワークを用いた統計的機械翻訳のツールキットです。
@@ -12,7 +12,6 @@ NMTKit
 NMTKitを使うには
 [doc](https://github.com/odashi/nmtkit/tree/master/doc)
 ディレクトリ以下のドキュメントを参照して下さい。
-このディレクトリには英語と日本語で同内容の文書が含まれています。
 
 
 連絡先