diff --git a/README.md b/README.md
index 25c9184..bf72baa 100644
--- a/README.md
+++ b/README.md
@@ -10,4 +10,12 @@ node main.js
 
 ```
 
+## ENV structure
+
+```
+USER_TOKEN=token
+INSTANCE_URL=https://example.com
+PERIOD=int // Time in days
+```
+
 License: MIT