docs: Fixes documentation of required argument for using api key data…

… sources (#1807)

website/docs/d/api_key.html.markdown

@@ -33,13 +33,13 @@ data "mongodbatlas_api_key" "test" {
 
 ## Argument Reference
 
-* `org_id` - (Required) The unique ID for the project.
+* `org_id` - (Required) Unique identifier for the organization.
+* `api_key_id` - (Required) Unique identifier for the organization API key.
 
 ## Attributes Reference
 
 In addition to all arguments above, the following attributes are exported:
 
-* `org_id` - Unique identifier for the organization whose API keys you want to retrieve. Use the /orgs endpoint to retrieve all organizations to which the authenticated user has access.
 * `description` - Description of this Organization API key.
 * `public_key` - Public key for this Organization API key.
 * `private_key` - Private key for this Organization API key.

website/docs/d/api_keys.html.markdown

@@ -25,16 +25,17 @@ resource "mongodbatlas_api_key" "test" {
 }
 
 data "mongodbatlas_api_keys" "test" {
+  org_id = "<ORG_ID>"
   page_num = 1
   items_per_page = 5
 }
 ```
 
 ## Argument Reference
-* `page_num` - (Optional)  	The page to return. Defaults to `1`.
+* `org_id` - (Required) Unique identifier for the organization whose API keys you want to retrieve.
+* `page_num` - (Optional) The page to return. Defaults to `1`.
 * `items_per_page` - (Optional) Number of items to return per page, up to a maximum of 500. Defaults to `100`.
 
-
 * `id` - Autogenerated Unique ID for this data source.
 * `results` - A list where each represents a List of API Keys.