fix doc and template

Author: Mia-Cross

docs/resources/instance_image.md

@@ -116,11 +116,12 @@ In addition to all arguments above, the following attributes are exported:
     - `tags` - List of tags associated with the volume.
     - `state` - State of the volume.
     - `zone` - The [zone](../guides/regions_and_zones.md#zones) in which the volume is.
-    - `server` - Description of the server containing the volume (in case the image is a backup from a server).
+
+- `server` - Description of the server containing the volume (in case the image is a backup from a server).
 
     -> The `server` block contains :
-      - `id` - ID of the server containing the volume.
-      - `name` - Name of the server containing the volume.
+    - `id` - ID of the server containing the volume.
+    - `name` - Name of the server containing the volume.
 
 ## Import
 

templates/resources/instance_image.md.tmpl

@@ -69,7 +69,7 @@ resource "scaleway_instance_snapshot" "server_snapshot" {
 resource "scaleway_instance_image" "image" {
   name           = "image_with_extra_volumes"
   root_volume_id = scaleway_instance_snapshot.server_snapshot.id
-  additional_volumes = [
+  additional_volume_ids = [
     scaleway_instance_snapshot.volume_snapshot.id
   ]
 }
@@ -84,8 +84,6 @@ The following arguments are supported:
 - `architecture` - (Optional, default `x86_64`) The architecture the image is compatible with. Possible values are: `x86_64` or `arm`.
 - `additional_volume_ids` - (Optional) List of IDs of the snapshots of the additional volumes to be attached to the image.
 
--> **Important:** For now it is only possible to have 1 additional_volume.
-
 - `tags` - (Optional) A list of tags to apply to the image.
 - `public` - (Optional) Set to `true` if the image is public.
 - `zone` - (Defaults to provider `zone`) The [zone](../guides/regions_and_zones.md#zones) in which the image should be created.
@@ -119,11 +117,12 @@ In addition to all arguments above, the following attributes are exported:
     - `tags` - List of tags associated with the volume.
     - `state` - State of the volume.
     - `zone` - The [zone](../guides/regions_and_zones.md#zones) in which the volume is.
-    - `server` - Description of the server containing the volume (in case the image is a backup from a server).
+
+- `server` - Description of the server containing the volume (in case the image is a backup from a server).
 
     -> The `server` block contains :
-      - `id` - ID of the server containing the volume.
-      - `name` - Name of the server containing the volume.
+    - `id` - ID of the server containing the volume.
+    - `name` - Name of the server containing the volume.
 
 ## Import