diff --git a/output/schema/schema.json b/output/schema/schema.json
index 30e4bad992..65db9989cc 100644
--- a/output/schema/schema.json
+++ b/output/schema/schema.json
@@ -79304,7 +79304,7 @@
           "description": "Wrapper to allow span queries to participate in composite single-field span queries by _lying_ about their search field.",
           "docId": "query-dsl-span-field-masking-query",
           "docUrl": "https://www.elastic.co/guide/en/elasticsearch/reference/{branch}/query-dsl-span-field-masking-query.html",
-          "name": "field_masking_span",
+          "name": "span_field_masking",
           "required": false,
           "type": {
             "kind": "instance_of",
@@ -81255,7 +81255,7 @@
         },
         {
           "description": "Allows queries like `span_near` or `span_or` across different fields.",
-          "name": "field_masking_span",
+          "name": "span_field_masking",
           "required": false,
           "type": {
             "kind": "instance_of",
diff --git a/output/typescript/types.ts b/output/typescript/types.ts
index e404574c7f..957eac8088 100644
--- a/output/typescript/types.ts
+++ b/output/typescript/types.ts
@@ -5925,7 +5925,7 @@ export interface QueryDslQueryContainer {
   shape?: QueryDslShapeQuery
   simple_query_string?: QueryDslSimpleQueryStringQuery
   span_containing?: QueryDslSpanContainingQuery
-  field_masking_span?: QueryDslSpanFieldMaskingQuery
+  span_field_masking?: QueryDslSpanFieldMaskingQuery
   span_first?: QueryDslSpanFirstQuery
   span_multi?: QueryDslSpanMultiTermQuery
   span_near?: QueryDslSpanNearQuery
@@ -6114,7 +6114,7 @@ export interface QueryDslSpanOrQuery extends QueryDslQueryBase {
 
 export interface QueryDslSpanQuery {
   span_containing?: QueryDslSpanContainingQuery
-  field_masking_span?: QueryDslSpanFieldMaskingQuery
+  span_field_masking?: QueryDslSpanFieldMaskingQuery
   span_first?: QueryDslSpanFirstQuery
   span_gap?: QueryDslSpanGapQuery
   span_multi?: QueryDslSpanMultiTermQuery
diff --git a/specification/_types/query_dsl/abstractions.ts b/specification/_types/query_dsl/abstractions.ts
index 211ce8d67f..7e73d158ba 100644
--- a/specification/_types/query_dsl/abstractions.ts
+++ b/specification/_types/query_dsl/abstractions.ts
@@ -320,7 +320,7 @@ export class QueryContainer {
    * Wrapper to allow span queries to participate in composite single-field span queries by _lying_ about their search field.
    * @doc_id query-dsl-span-field-masking-query
    */
-  field_masking_span?: SpanFieldMaskingQuery
+  span_field_masking?: SpanFieldMaskingQuery
   /**
    * Matches spans near the beginning of a field.
    * @doc_id query-dsl-span-first-query
diff --git a/specification/_types/query_dsl/span.ts b/specification/_types/query_dsl/span.ts
index 9de65bb275..33349be8d8 100644
--- a/specification/_types/query_dsl/span.ts
+++ b/specification/_types/query_dsl/span.ts
@@ -140,7 +140,7 @@ export class SpanQuery {
   /**
    * Allows queries like `span_near` or `span_or` across different fields.
    */
-  field_masking_span?: SpanFieldMaskingQuery
+  span_field_masking?: SpanFieldMaskingQuery
   /**
    * Accepts another span query whose matches must appear within the first N positions of the field.
    */