diff --git a/specification/indices/delete_template/IndicesDeleteTemplateRequest.ts b/specification/indices/delete_template/IndicesDeleteTemplateRequest.ts
index dd85cb6291..baa1a10e63 100644
--- a/specification/indices/delete_template/IndicesDeleteTemplateRequest.ts
+++ b/specification/indices/delete_template/IndicesDeleteTemplateRequest.ts
@@ -23,10 +23,12 @@ import { Duration } from '@_types/Time'
 
 /**
  * Delete a legacy index template.
+ * IMPORTANT: This documentation is about legacy index templates, which are deprecated and will be replaced by the composable templates introduced in Elasticsearch 7.8.
  * @rest_spec_name indices.delete_template
  * @availability stack stability=stable
  * @cluster_privileges manage_index_templates
  * @doc_id indices-delete-template-v1
+ * @deprecated 7.8.0
  */
 export interface Request extends RequestBase {
   urls: [
diff --git a/specification/indices/get_template/IndicesGetTemplateRequest.ts b/specification/indices/get_template/IndicesGetTemplateRequest.ts
index bf6bc610ca..ce65f8ac0c 100644
--- a/specification/indices/get_template/IndicesGetTemplateRequest.ts
+++ b/specification/indices/get_template/IndicesGetTemplateRequest.ts
@@ -22,7 +22,7 @@ import { Names } from '@_types/common'
 import { Duration } from '@_types/Time'
 
 /**
- * Get index templates.
+ * Get legacy index templates.
  * Get information about one or more index templates.
  *
  * IMPORTANT: This documentation is about legacy index templates, which are deprecated and will be replaced by the composable templates introduced in Elasticsearch 7.8.
@@ -31,6 +31,7 @@ import { Duration } from '@_types/Time'
  * @doc_id indices-get-template-v1
  * @ext_doc_id index-templates
  * @cluster_privileges manage_index_templates
+ * @deprecated 7.8.0
  */
 export interface Request extends RequestBase {
   urls: [
diff --git a/specification/indices/put_template/IndicesPutTemplateRequest.ts b/specification/indices/put_template/IndicesPutTemplateRequest.ts
index 433d01bbf6..3ef86994ca 100644
--- a/specification/indices/put_template/IndicesPutTemplateRequest.ts
+++ b/specification/indices/put_template/IndicesPutTemplateRequest.ts
@@ -27,7 +27,7 @@ import { integer } from '@_types/Numeric'
 import { Duration } from '@_types/Time'
 
 /**
- * Create or update an index template.
+ * Create or update a legacy index template.
  * Index templates define settings, mappings, and aliases that can be applied automatically to new indices.
  * Elasticsearch applies templates to new indices based on an index pattern that matches the index name.
  *
@@ -53,6 +53,7 @@ import { Duration } from '@_types/Time'
  * @cluster_privileges manage_index_templates, manage
  * @doc_id index-templates-v1
  * @ext_doc_id index-templates
+ * @deprecated 7.8.0
  */
 export interface Request extends RequestBase {
   urls: [