diff --git a/docs/tutorial/request-files.md b/docs/tutorial/request-files.md
index 2e0c2f802..10dd16e32 100644
--- a/docs/tutorial/request-files.md
+++ b/docs/tutorial/request-files.md
@@ -121,6 +121,13 @@ To use that, declare a `List` of `bytes` or `UploadFile`:
You will receive, as declared, a `list` of `bytes` or `UploadFile`s.
+!!! note
+ Notice that, as of 2019-04-14, Swagger UI doesn't support multiple file uploads in the same form field. For more information, check #4276 and #3641.
+
+ Nevertheless, **FastAPI** is already compatible with it, using the standard OpenAPI.
+
+ So, whenever Swagger UI supports multi-file uploads, or any other tools that supports OpenAPI, they will be compatible with **FastAPI**.
+
## Recap
Use `File` to declare files to be uploaded as input parameters (as form data).