diff --git a/custom/README.md b/custom/README.md
index 3dacb85..8989373 100644
--- a/custom/README.md
+++ b/custom/README.md
@@ -22,7 +22,7 @@ module "mysg" {
   vpc_id      = var.vpc_id
   name        = "mysg"
   description = "Security group for my"
-  short       = "MY"
+  short_description = "MY"
   ingress_port_list = [
     [8080, 8080, "tcp", "http", ["0.0.0.0/0"]],
     [8443, 8443, "tcp", "https", ["0.0.0.0/0"]],
@@ -47,7 +47,7 @@ module "mysg" {
   vpc_id      = var.vpc_id
   name        = "mysg"
   description = "Security group for my"
-  short       = "MY"
+  short_description = "MY"
   ingress_port_map = [
     {
       from        = 8080
diff --git a/custom/main.tf b/custom/main.tf
index f14a45e..57f4377 100644
--- a/custom/main.tf
+++ b/custom/main.tf
@@ -23,7 +23,7 @@
 *   vpc_id      = var.vpc_id
 *   name        = "mysg"
 *   description = "Security group for my"
-*   short       = "MY"
+*   short_description = "MY"
 *   ingress_port_list = [
 *     [8080, 8080, "tcp", "http", ["0.0.0.0/0"]],
 *     [8443, 8443, "tcp", "https", ["0.0.0.0/0"]],
@@ -48,7 +48,7 @@
 *   vpc_id      = var.vpc_id
 *   name        = "mysg"
 *   description = "Security group for my"
-*   short       = "MY"
+*   short_description = "MY"
 *   ingress_port_map = [
 *     {
 *       from        = 8080