diff --git a/README.md b/README.md
index d6aa3e7..63a9d79 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,9 @@
 # alpine-pma
+phpMyAdmin with AWS tools inside.
+Design for connecting isolated RDS DB.
+**Pre-requesties**
+- RDS with Bastion in isolated Subnet
+- RDS Password by SecretsManager
 
 ## Setup
 ### Environment Variable
@@ -15,4 +20,4 @@
     Port for RDS.
 ### Mount Volume
 - `~/.aws`
-    Please Mount this to the `/root` folder of container.
\ No newline at end of file
+    Please Mount this to the `/root` folder of container.