diff --git a/output/openapi/elasticsearch-openapi.json b/output/openapi/elasticsearch-openapi.json
index 9c9b8fcc78..17acfc52b2 100644
--- a/output/openapi/elasticsearch-openapi.json
+++ b/output/openapi/elasticsearch-openapi.json
@@ -12951,7 +12951,7 @@
           {
             "in": "path",
             "name": "index",
-            "description": "Name of the index you wish to create.",
+            "description": "Name of the index you wish to create.\nIndex names must meet the following criteria:\n\n* Lowercase only\n* Cannot include `\\`, `/`, `*`, `?`, `\"`, `<`, `>`, `|`, ` ` (space character), `,`, or `#`\n* Indices prior to 7.0 could contain a colon (`:`), but that has been deprecated and will not be supported in later versions\n* Cannot start with `-`, `_`, or `+`\n* Cannot be `.` or `..`\n* Cannot be longer than 255 bytes (note thtat it is bytes, so multi-byte characters will reach the limit faster)\n* Names starting with `.` are deprecated, except for hidden indices and internal indices managed by plugins",
             "required": true,
             "deprecated": false,
             "schema": {
diff --git a/output/openapi/elasticsearch-serverless-openapi.json b/output/openapi/elasticsearch-serverless-openapi.json
index 6ccccb0e61..17ad68d992 100644
--- a/output/openapi/elasticsearch-serverless-openapi.json
+++ b/output/openapi/elasticsearch-serverless-openapi.json
@@ -6772,7 +6772,7 @@
           {
             "in": "path",
             "name": "index",
-            "description": "Name of the index you wish to create.",
+            "description": "Name of the index you wish to create.\nIndex names must meet the following criteria:\n\n* Lowercase only\n* Cannot include `\\`, `/`, `*`, `?`, `\"`, `<`, `>`, `|`, ` ` (space character), `,`, or `#`\n* Indices prior to 7.0 could contain a colon (`:`), but that has been deprecated and will not be supported in later versions\n* Cannot start with `-`, `_`, or `+`\n* Cannot be `.` or `..`\n* Cannot be longer than 255 bytes (note thtat it is bytes, so multi-byte characters will reach the limit faster)\n* Names starting with `.` are deprecated, except for hidden indices and internal indices managed by plugins",
             "required": true,
             "deprecated": false,
             "schema": {
diff --git a/output/schema/schema.json b/output/schema/schema.json
index 8f25ae00cb..0704358509 100644
--- a/output/schema/schema.json
+++ b/output/schema/schema.json
@@ -138970,7 +138970,7 @@
       },
       "path": [
         {
-          "description": "Name of the index you wish to create.",
+          "description": "Name of the index you wish to create.\nIndex names must meet the following criteria:\n\n* Lowercase only\n* Cannot include `\\`, `/`, `*`, `?`, `\"`, `<`, `>`, `|`, ` ` (space character), `,`, or `#`\n* Indices prior to 7.0 could contain a colon (`:`), but that has been deprecated and will not be supported in later versions\n* Cannot start with `-`, `_`, or `+`\n* Cannot be `.` or `..`\n* Cannot be longer than 255 bytes (note thtat it is bytes, so multi-byte characters will reach the limit faster)\n* Names starting with `.` are deprecated, except for hidden indices and internal indices managed by plugins",
           "name": "index",
           "required": true,
           "type": {
@@ -139023,7 +139023,7 @@
           }
         }
       ],
-      "specLocation": "indices/create/IndicesCreateRequest.ts#L28-L108"
+      "specLocation": "indices/create/IndicesCreateRequest.ts#L28-L115"
     },
     {
       "kind": "response",
diff --git a/specification/indices/create/IndicesCreateRequest.ts b/specification/indices/create/IndicesCreateRequest.ts
index c3b59941a6..6995ecdb0e 100644
--- a/specification/indices/create/IndicesCreateRequest.ts
+++ b/specification/indices/create/IndicesCreateRequest.ts
@@ -46,8 +46,6 @@ import { Duration } from '@_types/Time'
  *
  * You can change the default of only waiting for the primary shards to start through the index setting `index.write.wait_for_active_shards`.
  * Note that changing this setting will also affect the `wait_for_active_shards` value on all subsequent write operations.
-
-
  * @doc_id indices-create-index
  * @rest_spec_name indices.create
  * @availability stack stability=stable
@@ -64,6 +62,15 @@ export interface Request extends RequestBase {
   path_parts: {
     /**
      * Name of the index you wish to create.
+     * Index names must meet the following criteria:
+     *
+     * * Lowercase only
+     * * Cannot include `\`, `/`, `*`, `?`, `"`, `<`, `>`, `|`, ` ` (space character), `,`, or `#`
+     * * Indices prior to 7.0 could contain a colon (`:`), but that has been deprecated and will not be supported in later versions
+     * * Cannot start with `-`, `_`, or `+`
+     * * Cannot be `.` or `..`
+     * * Cannot be longer than 255 bytes (note thtat it is bytes, so multi-byte characters will reach the limit faster)
+     * * Names starting with `.` are deprecated, except for hidden indices and internal indices managed by plugins
      */
     index: IndexName
   }