diff --git a/src/api/api/eql.ts b/src/api/api/eql.ts
index 160cc797c..c6b6a03a5 100644
--- a/src/api/api/eql.ts
+++ b/src/api/api/eql.ts
@@ -71,7 +71,7 @@ export default class Eql {
 
   /**
     * Returns async results from previously executed Event Query Language (EQL) search
-    * @see {@link  https://www.elastic.co/guide/en/elasticsearch/reference/8.11/get-async-eql-search-api.html | Elasticsearch API documentation}
+    * @see {@link https://www.elastic.co/guide/en/elasticsearch/reference/8.11/get-async-eql-search-api.html | Elasticsearch API documentation}
     */
   async get<TEvent = unknown> (this: That, params: T.EqlGetRequest | TB.EqlGetRequest, options?: TransportRequestOptionsWithOutMeta): Promise<T.EqlGetResponse<TEvent>>
   async get<TEvent = unknown> (this: That, params: T.EqlGetRequest | TB.EqlGetRequest, options?: TransportRequestOptionsWithMeta): Promise<TransportResult<T.EqlGetResponse<TEvent>, unknown>>
@@ -97,7 +97,7 @@ export default class Eql {
 
   /**
     * Returns the status of a previously submitted async or stored Event Query Language (EQL) search
-    * @see {@link  https://www.elastic.co/guide/en/elasticsearch/reference/8.11/get-async-eql-status-api.html | Elasticsearch API documentation}
+    * @see {@link https://www.elastic.co/guide/en/elasticsearch/reference/8.11/get-async-eql-status-api.html | Elasticsearch API documentation}
     */
   async getStatus (this: That, params: T.EqlGetStatusRequest | TB.EqlGetStatusRequest, options?: TransportRequestOptionsWithOutMeta): Promise<T.EqlGetStatusResponse>
   async getStatus (this: That, params: T.EqlGetStatusRequest | TB.EqlGetStatusRequest, options?: TransportRequestOptionsWithMeta): Promise<TransportResult<T.EqlGetStatusResponse, unknown>>
diff --git a/src/api/types.ts b/src/api/types.ts
index 71ff546c4..6f4682b56 100644
--- a/src/api/types.ts
+++ b/src/api/types.ts
@@ -4509,7 +4509,7 @@ export interface AnalysisPathHierarchyTokenizer extends AnalysisTokenizerBase {
   type: 'path_hierarchy'
   buffer_size: SpecUtilsStringified<integer>
   delimiter: string
-  replacement: string
+  replacement?: string
   reverse: SpecUtilsStringified<boolean>
   skip: SpecUtilsStringified<integer>
 }
diff --git a/src/api/typesWithBodyKey.ts b/src/api/typesWithBodyKey.ts
index 941deaea1..8658ac2ca 100644
--- a/src/api/typesWithBodyKey.ts
+++ b/src/api/typesWithBodyKey.ts
@@ -4582,7 +4582,7 @@ export interface AnalysisPathHierarchyTokenizer extends AnalysisTokenizerBase {
   type: 'path_hierarchy'
   buffer_size: SpecUtilsStringified<integer>
   delimiter: string
-  replacement: string
+  replacement?: string
   reverse: SpecUtilsStringified<boolean>
   skip: SpecUtilsStringified<integer>
 }