diff --git a/www/apps/book/app/learn/fundamentals/environment-variables/page.mdx b/www/apps/book/app/learn/fundamentals/environment-variables/page.mdx
index 5dc29d15cc..1db754410b 100644
--- a/www/apps/book/app/learn/fundamentals/environment-variables/page.mdx
+++ b/www/apps/book/app/learn/fundamentals/environment-variables/page.mdx
@@ -22,7 +22,13 @@ In production, you should always use system environment variables that you set t
 
 During development, it's easier to set environment variables in a `.env` file in your repository.
 
-Based on your `NODE_ENV` system environment variable, which is considered as `development` if not set, Medusa will try to load environment variables from the following `.env` files:
+Based on your `NODE_ENV` system environment variable, Medusa will try to load environment variables from the following `.env` files:
+
+<Note title="Tip">
+
+As of [Medusa v2.5.0](https://github.com/medusajs/medusa/releases/tag/v2.5.0), `NODE_ENV` defaults to `production` when using `medusa start`. Otherwise, it defaults to `development`.
+
+</Note>
 
 <Table>
   <Table.Header>