diff --git a/api/v1/swagger/swagger.yaml b/api/v1/swagger/swagger.yaml
index d4adc3d5af..23e4d2b2e5 100644
--- a/api/v1/swagger/swagger.yaml
+++ b/api/v1/swagger/swagger.yaml
@@ -1108,6 +1108,9 @@ info:
     context; If it is not included in the request, then the request context
     will default to using your api comsumer"s assigned home library.
 tags:
+  - description: "Manage additional contents\n"
+    x-displayName: Additional contents
+    name: additional_contents
   - description: "Manage additional fields\n"
     name: additional_fields
     x-displayName: Additional fields