diff --git a/.config/example.yml b/.config/example.yml
index a4f3c0036e..ce092a08f3 100644
--- a/.config/example.yml
+++ b/.config/example.yml
@@ -123,6 +123,7 @@ drive:
 # google_maps_api_key: example-google-maps-api-key
 
 # Twitter integration
+# You need to set the oauth callback url as : https://<your-misskey-instance>/api/tw/cb
 # twitter:
 #   consumer_key: example-twitter-consumer-key
 #   consumer_secret: example-twitter-consumer-secret-key
diff --git a/docs/setup.en.md b/docs/setup.en.md
index 56632cc361..73ea636390 100644
--- a/docs/setup.en.md
+++ b/docs/setup.en.md
@@ -62,6 +62,13 @@ npm install web-push -g
 web-push generate-vapid-keys
 ```
 
+*(optional)* Create a twitter application
+----------------------------------------------------------------
+If you want to enable the twitter integration, you need to create a twitter app at [apps.twitter.com](https://apps.twitter.com/).
+
+In the app you need to set the oauth callback url as : https://misskey-instance/api/tw/cb
+
+
 *5.* Make configuration file
 ----------------------------------------------------------------
 1. `cp .config/example.yml .config/default.yml` Copy the `.config/example.yml` and rename it to `default.yml`.