diff --git a/docs/content/1.introduction/1.getting-started.md b/docs/content/1.introduction/1.getting-started.md
index 63d5179..b72c1f3 100644
--- a/docs/content/1.introduction/1.getting-started.md
+++ b/docs/content/1.introduction/1.getting-started.md
@@ -17,6 +17,20 @@ database.
 ```bash
 mkdir LicenseAPI && cd LicenseAPI
 wget https://raw.githubusercontent.com/gnmyt/LicenseAPI/main/docker-compose.yml
+```
+
+## Update environment variables
+
+Open the `.env` file and update the following environment variables:
+
+- `MAIL_SERVER`: The SMTP server to send emails.
+- `MAIL_PORT`: The SMTP server port.
+- `MAIL_USER`: The SMTP server username.
+- `MAIL_PASS`: The SMTP server password.
+
+## Start LicenseAPI
+
+```bash
 docker compose up -d
 ```