diff --git a/knowledge base/cloud-init.md b/knowledge base/cloud-init.md
index 98ae788..a77071a 100644
--- a/knowledge base/cloud-init.md	
+++ b/knowledge base/cloud-init.md	
@@ -112,15 +112,21 @@ merge_type: 'list(append)+dict(recurse_array)+str()'
      base64_encode = true
 
      part {
-       content      = file("files/first.yaml")
+       content      = file("${path.module}/files/cloud-init/first.yaml")
        content_type = "text/cloud-config"
+       filename     = "first.yaml"
      }
      …
      part {
-       content      = file("files/n-th.yaml")
+       content      = templatefile(
+         "${path.module}/templates/cloud-init/n-th.yaml.tftpl",
+         {
+           key = value
+         }
+       )
        content_type = "text/cloud-config"
-       filename     = "n-th.yaml"
        merge_type   = "dict(recurse_array,no_replace)+list(append)"
+       filename     = "n-th.yaml"
      }
    }
    ```
diff --git a/terraform/oracle cloud free tier ampere instance/example.tfvars b/terraform/oracle cloud free tier ampere instance/example.tfvars
index 0bb2d2e..f269bb8 100644
--- a/terraform/oracle cloud free tier ampere instance/example.tfvars	
+++ b/terraform/oracle cloud free tier ampere instance/example.tfvars	
@@ -8,7 +8,7 @@ ocpus         = 4
 # or check https://docs.oracle.com/en-us/iaas/images/
 source_id = "ocid1.image.oc1.eu-amsterdam-1.aaaaaaaavmra3s4va4fqd4vlcrqc5v5jyqov5vdla3x3b6gzc64n6dkpuqua"
 
-ssh_authorized_keys = <<EOT
-ssh-ed25519 key-1 comment
-ssh-ed25519 key-n comment
+ssh_authorized_keys = <<-EOT
+  ssh-ed25519 key-1 comment
+  ssh-ed25519 key-n comment
 EOT