diff --git a/NOTES.md b/NOTES.md
index 69b8ba25047b09e2b115202e64ba96ef31b6e6da..9bc9c197d982ac698f4f878d16ebd2a747cce4a7 100644
--- a/NOTES.md
+++ b/NOTES.md
@@ -35,7 +35,11 @@ Submissions are to follow `/api/add`, because DRF happened to generate
 nice documentation there and not for Swagger.
 
 Note that the Swagger endpoints are available only in DEBUG mode, 
-so they are unavailable on production.
+so they are as well available on production.
+
+Besides, if you disable DEBUG you can no longer count on Django
+to provide you with correct mimetypes, do your browser will just reject these
+static files.
 
 ## Authorization