diff --git a/demo-10/cloudinit.tf b/demo-10/cloudinit.tf
index 83fcfe2..08adc9a 100644
--- a/demo-10/cloudinit.tf
+++ b/demo-10/cloudinit.tf
@@ -1,20 +1,20 @@
 # note: previous templatefile datasources have been replaced by the template_file() function
 
-data "template_cloudinit_config" "cloudinit-example" {
+data "cloudinit_config" "cloudinit-example" {
   gzip          = false
   base64_encode = false
 
   part {
     filename     = "init.cfg"
     content_type = "text/cloud-config"
-    content      = template_file("scripts/init.cfg", {
+    content      = templatefile("scripts/init.cfg", {
       REGION = var.AWS_REGION
     })
   }
 
   part {
     content_type = "text/x-shellscript"
-    content      = template_file("scripts/volumes.sh", {
+    content      = templatefile("scripts/volumes.sh", {
       DEVICE = var.INSTANCE_DEVICE_NAME
     })
   }
diff --git a/demo-10/instance.tf b/demo-10/instance.tf
index 4f17b09..4c0d0c9 100644
--- a/demo-10/instance.tf
+++ b/demo-10/instance.tf
@@ -12,7 +12,7 @@ resource "aws_instance" "example" {
   key_name = aws_key_pair.mykeypair.key_name
 
   # user data
-  user_data = data.template_cloudinit_config.cloudinit-example.rendered
+  user_data = data.cloudinit_config.cloudinit-example.rendered
 }
 
 resource "aws_ebs_volume" "ebs-volume-1" {