diff --git a/README.md b/README.md
index d8d395d..11de8d2 100644
--- a/README.md
+++ b/README.md
@@ -34,10 +34,10 @@ services:
 - Make a new file called `backend-env` and configure it for backend process, here is a sample file:
 ```env
 PORT = 8080
-PGUSER = okiba
-PGHOST = okiba
-PGDATABASE = okiba
+PGHOST = okiba-db
 PGPORT = 5432
+PGUSER = okiba
+PGDATABASE = okiba
 PGPASSWORD = okiba
 ```
 - Make a new file called `frontend-env` and configure it for frontend process, here is a sample file: