diff --git a/docs/configuration/backends/rest.md b/docs/configuration/backends/rest.md
index b83027f0d..4051e7cbf 100644
--- a/docs/configuration/backends/rest.md
+++ b/docs/configuration/backends/rest.md
@@ -29,7 +29,7 @@ Traefik can be configured:
 
 
 ```shell
-curl -XPUT @file "http://localhost:8080/api/providers/rest"
+curl -XPUT -d @file "http://localhost:8080/api/providers/rest"
 ```
 
 with `@file`: