diff --git a/README.md b/README.md
index 3ac9a56..511ce0e 100644
--- a/README.md
+++ b/README.md
@@ -1,12 +1,12 @@
 # konami-card-wasm
-konami card (e-amusement card) ID와 NFC ID를 서로 변환합니다.
+e-amusement card
 
 ## Requirement
-- go
+- go 1.14.2
 
 ## Build
 ```shell script
-npm run build # npm
-yarn build # yarn
+npm install
+npm run build
 ```
 빌드가 완료 된 후 build 폴더를 모듈처럼 사용하시면 됩니다!