diff --git a/README.md b/README.md
index 16360a3..2586fa6 100644
--- a/README.md
+++ b/README.md
@@ -1,29 +1,59 @@
-# setup-helmfile
-This action will setup helmfile with Helm and kubectl.
+@mamezou-tech/setup-helmfile
+============================
 
-AWS edition of kubectl will be instaalled.
+![CI](https://github.com/mamezou-tech/setup-helmfile/workflows/CI/badge.svg)
 
-## Inputs
-### `helmfile-version`
-helmfile version. Default `"v0.99.3"`.
+Setup [helmfile](https://github.com/roboll/helmfile) with Helm and kubectl in GitHub Actions.
 
-### `helm-version`
-Helmfile version. Default `"v3.0.3"`
+> - The AWS version of kubectl is installed.
+> - This action works on Linux.
+> - Helm 2.x is not supported.
 
-### `kubectl-version`
-kubectl version. Default `1.14.6`
+```yaml
+name: CI
+on: [push]
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v1
+    - name: Setup helmfile
+      uses: mamezou-tech/setup-helmfile@v0.1.0
+    - name: Test
+      run: |
+        helmfile --version
+        helm version
+        kubectl version --client
+```
 
-### `kubectl-release-date`
-kubectl release date. Default `2019-08-22`
+## Optional Inputs
+- `helmfile-version` : helmfile version. Default `"v0.99.3"`.
+- `helm-version` : Helmfile version. Default `"v3.0.3"`
+- `kubectl-version` : kubectl version. Default `1.14.6`
+- `kubectl-release-date` : kubectl release date. Default `2019-08-22`
 
-## Example usage
+Example with optional inputs
 
 ```yaml
-- name: Setup helmfile
-  uses: kondoumh/setup-helmfile@master
-  with:
-    helmfile-version: 'v0.99.2'
-- name: Use helmfile
-  run: |
-    helmfile --version
+name: CI
+on: [push]
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v1
+    - name: Setup helmfile
+      uses: mamezou-tech/setup-helmfile@v0.1.0
+      with:
+        helmfile-version: "v0.99.2"
+    - name: Test
+      run: |
+        helmfile --version
+```
+
+### Build action (for maintainer)
+```
+$ npm install
+$ npm run package
 ```
+> `dist/index.js` shoud be included in commit.
diff --git a/action.yml b/action.yml
index fddf152..1087537 100644
--- a/action.yml
+++ b/action.yml
@@ -1,22 +1,23 @@
 name: helmfile-setup
-description: 'Setup helmfile'
+description: 'Setup helmfile Action'
+author: "mamezou-tech"
 inputs:
   kubectl-version:
-    description: 'kubectl (AWS edition) version'
-    default: '1.14.6'
+    description: "kubectl (AWS edition) version"
+    default: "1.14.6"
     required: false
   kubectl-release-date:
-    description: 'kubectl (AWS edition) release date'
-    default: '2019-08-22'
+    description: "kubectl (AWS edition) release date"
+    default: "2019-08-22"
     required: false
   helm-version:
-    description: 'Helm version'
+    description: "Helm version"
     default: "v3.0.3"
     required: false
   helmfile-version:
-    description: 'helmfile version'
+    description: "helmfile version"
     default: "v0.98.3"
     required: false
 runs:
-  using: 'node12'
-  main: 'dist/index.js'
+  using: "node12"
+  main: "dist/index.js"
diff --git a/package.json b/package.json
index 00e12c0..5e96792 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,7 @@
   "description": "Action for setup helmfile",
   "main": "index.js",
   "scripts": {
-    "lint": "eslint src/**",
+    "lint": "eslint src/** --ignore-pattern **/*.test.js",
     "package": "ncc build src/index.js -o dist",
     "test": "jest"
   },