diff --git a/api_doc.md b/api_doc.md
index a18a9ed..629538a 100644
--- a/api_doc.md
+++ b/api_doc.md
@@ -83,6 +83,7 @@ Requete:
 ```
 POST /user/files
 Header(Authorization: TOKEN)
+https://stackoverflow.com/questions/71424265/how-to-send-multipart-file-with-flutter
 ```
 
 Réponse: