diff --git a/README.md b/README.md
index 2de6e11..f7517a4 100644
--- a/README.md
+++ b/README.md
@@ -49,7 +49,7 @@ You may create a `.env` file in each package directory to set their environment
 client:
 
 ```env
-API_URL=http://localhost:3001 # replace with backend URL
+NEXT_PUBLIC_API_URL=http://localhost:3001 # replace with backend URL
 ```
 
 server: