diff --git a/README.md b/README.md
index bee1a9d..8d7dc39 100755
--- a/README.md
+++ b/README.md
@@ -1,34 +1,49 @@
-
WordPress Facebook Like Ranking
+# WordPress Facebook Like Ranking 😸😇😈
-Facebookのいいね数に基づいたブログ内の記事のランキングを表示するWordPressプラグインです。
+With this plugin, you can create a your posts' ranking sorted by the number of Facebook like.
-使用例)btrax(ビートラックス)という企業のサイドバーです。
-freshtrax | btrax スタッフブログ
+Ex)
+![screenshot-1](https://user-images.githubusercontent.com/980588/57820677-9dc52280-7742-11e9-991d-e488a601f83d.png)
-使い方
+## How to use
-ランキングを表示したい場所に以下のコードを書きます。デフォルトでは5つの記事が表示されます。
-
-```
-
-```
+### Create FB App
+Here
+https://developers.facebook.com/
+### Get FB App Token
+You can get that here
+https://developers.facebook.com/tools/explorer/
-関数には最大6つの引数を与えることが出来ます。
-
-```
-get_like_ranking (int $post_number = 5, bool $post_count = true , array $thumbnail = null, $category_id = null, $shorten_words = null, $custom_post_name = null)
-```
+### Set your FB App Token
+You can see the setting of this plugin when you install it. Click it.
+
-例)
+You will see the setting page like below.
+Put your token in the form and hit the save button.
+
-この場合、Movieというカスタム投稿タイプ名の10つの記事が表示されます。2つ目の引数は"false"なのでそれぞれの記事のいいね数は表示されません。15px × 15pxのサムネイルが表示されます。記事タイトルが25文字以上の場合、25文字に短縮されます。
+### Generate your ranking
+All you need to do is just hit the "Create or Recreate" button.
+
+### 🛠 Put code (or you can use wdget)
+Put the code below whereever you would like to make the raking show up.
+```php
+
```
-
-```
-
+There are 6 parameters for this method.
+```php
+get_like_ranking(int $post_number = 5, bool $post_count = true , array $thumbnail = null, $category_id = null, $shorten_words = null, $custom_post_name = null)
+```
-このプラグインをインストールすると、設定の項目に「WP Facebook Like Ranking」が追加されるので、そこからランキングの更新頻度等、細かい設定を行ってください。
+Ex)
+In this case, There should be 10 articles which are "Movie" custom post type on your raking.
+Second argument is `false`, thus like count of each artile does **not** show up.
+Thumbnails are **15px** x **15px**.
+If the title og the article is over 25 characters, it's gonne be compressed to 25 characters.
+```php
+
+```
diff --git a/readme.txt b/readme.txt
index eff99ce..973a47a 100644
--- a/readme.txt
+++ b/readme.txt
@@ -1,10 +1,11 @@
=== WordPress Facebook Like Ranking ===
-Contributors: MankinJp
-Donate link:
+Contributors: mankinjp
+Donate link: https://www.patreon.com/taishikato
Tags: plugin, facebook, like, ranking, popular
Requires at least: 3.0
-Tested up to: 4.0
-Stable tag: 1.4.0
+Requires PHP: 5.6
+Tested up to: 5.2
+Stable tag: 2.0.0
License: GPLv2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
@@ -24,28 +25,48 @@ With this plugin, you can use a your posts' ranking rated by the number of Faceb
== Installation ==
-1. Download the plugin and extract its contents.
-2. Upload `wp-facebook-like-ranking` to the `/wp-content/plugins/` directory.
-3. Activate the plugin through the 'Plugins' menu in WordPress.
-4. Create a ranking by pushing a create button through the 'Settings->WP Facebook Like Ranking' menu in WordPres.
-5. Configure items.
-6. 2 ways
-・As a widget:Go to the widget page and put on this widget.
-・With a function:Place `` in your templates.
+## How to use
-That's it!
+### Create FB App
+Here
+https://developers.facebook.com/
+### Get FB App Token
-1. プラグインをダウンロード、解凍します。
-2. `/wp-content/plugins/`ディレクトリにプラグインをアップロードします。
-3. プラグインを有効化します。
-4. 'Settings->WP Facebook Like Ranking'でCreateボタンを押して最初のランキングを生成します。
-5. 'Settings->WP Facebook Like Ranking'で細かい設定を行います。
-6. 最後は、2通りのやり方があります。
-ウィジェットとして使う場合:ウィジェットページで設定できます。
-関数を直接書く場合:``を、ランキングを出したいところにコピペします。
+You can get that here
+https://developers.facebook.com/tools/explorer/
-完了!
+### Set your FB App Token
+You can see the setting of this plugin when you install it. Click it.
+
+
+You will see the setting page like below.
+Put your token in the form and hit the save button.
+
+
+### Generate your ranking
+All you need to do is just hit the "Create or Recreate" button.
+
+
+### 🛠 Put code (or you can use wdget)
+Put the code below whereever you would like to make the raking show up.
+```php
+
+```
+
+There are 6 parameters for this method.
+```php
+get_like_ranking(int $post_number = 5, bool $post_count = true , array $thumbnail = null, $category_id = null, $shorten_words = null, $custom_post_name = null)
+```
+
+Ex)
+In this case, There should be 10 articles which are "Movie" custom post type on your raking.
+Second argument is `false`, thus like count of each artile does **not** show up.
+Thumbnails are **15px** x **15px**.
+If the title og the article is over 25 characters, it's gonne be compressed to 25 characters.
+```php
+
+```
・more about a function
@@ -76,6 +97,8 @@ It shows 10 posts of a category which has id 1.
== Changelog ==
+= 2.0.0 =
+* change the Facebook API
= 1.4.0 =
* fix bug
= 1.3.0 =