diff --git a/plugins/catalog-backend/src/schema/openapi.yaml b/plugins/catalog-backend/src/schema/openapi.yaml
index 2882f7c3be..151918029b 100644
--- a/plugins/catalog-backend/src/schema/openapi.yaml
+++ b/plugins/catalog-backend/src/schema/openapi.yaml
@@ -656,7 +656,7 @@ paths:
           required: false
           schema:
             type: array
-            item:
+            items:
               type: string
   /entities/by-uid/{uid}:
     get: