diff --git a/src/Mapping/ClassMetadata.php b/src/Mapping/ClassMetadata.php
index 658e0d33e..4cac3cc53 100644
--- a/src/Mapping/ClassMetadata.php
+++ b/src/Mapping/ClassMetadata.php
@@ -269,7 +269,7 @@
  * @phpstan-type SearchIndexMapping array{
  *      type: "search"|"vectorSearch",
  *      name: string,
- *      definition: SearchIndexDefinition
+ *      definition: SearchIndexDefinition|VectorSearchIndexDefinition
  * }
  * @phpstan-type VectorSearchIndexField array{
  *     type: "vector"|"filter",