diff --git a/README.md b/README.md
index d314379..fc9a286 100644
--- a/README.md
+++ b/README.md
@@ -4,10 +4,10 @@ A Java library for converting Japanese text to Latin alphabet (romaji)
 Powered by [kuromoji](https://github.com/atilika/kuromoji), some part of code were taken from [moji4j](https://github.com/andree-surya/moji4j). 
 
 Usage:
-
+```java
     RomajiHenkan henkan = new RomajiHenkan();
     henkan.convert("自己紹介の最後に添える挨拶として使う表現"); // jikō shōkai nō saigō ni sōeru aisatsu tōshite tsukau hyōgen
-     
+```
 ## License
 
    Romaji-henkan is licensed under the MIT License. See `LICENSE.md` for details.