diff --git a/To-view-a-app-file.md b/To-view-a-app-file.md
index 458b67f..ea9c6b0 100644
--- a/To-view-a-app-file.md
+++ b/To-view-a-app-file.md
@@ -69,4 +69,12 @@ Status code: 200
 Otherwaise if it does not exist:
 ```
 Status code: 404
+```
+If using a HTTP request other then `GET`:
+```
+{
+	"error": "Method not allowed. Only GET is supported for this endpoint."
+}
+
+Status code: 405
 ```
\ No newline at end of file