diff --git a/000000000000/iam/roles/variables.tf b/000000000000/iam/roles/variables.tf
index cc24271..39e7359 100644
--- a/000000000000/iam/roles/variables.tf
+++ b/000000000000/iam/roles/variables.tf
@@ -5,5 +5,5 @@ variable "region" {
 
 variable "prod_account_id" {
   type    = string
-  default = "184100688147"
+  default = "111111111111"
 }
\ No newline at end of file
diff --git a/111111111111/iam/roles/variables.tf b/111111111111/iam/roles/variables.tf
index e2f3f07..7bb185b 100644
--- a/111111111111/iam/roles/variables.tf
+++ b/111111111111/iam/roles/variables.tf
@@ -1,7 +1,9 @@
 variable "region" {
+  type    = string
   default = "eu-west-1"
 }
 
 variable "dev_account_id" {
-  default = "449091252457"
+  type    = string
+  default = "000000000000"
 }
\ No newline at end of file
diff --git a/README.md b/README.md
index d2d93be..6000014 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,22 @@
-# terra-test
+### terraform configuration structure
 
+- 000000000000
+    - iam
+        - roles(role_a, role_b)
+        - users_and_groups
+            - cli_users
+            - normal_users
+        - templates
+- 111111111111
+    - iam
+        - roles(role_C)
+    - templates
+
+
+### order of execution
+#### 000000000000
+1. users_and_groups (cli_users, normal_users)
+2. roles
+
+#### 111111111111
+1. roles
\ No newline at end of file