diff --git a/kivy/network/urlrequest.py b/kivy/network/urlrequest.py
index e693763a7..0ee515e07 100644
--- a/kivy/network/urlrequest.py
+++ b/kivy/network/urlrequest.py
@@ -138,6 +138,8 @@ class UrlRequest(Thread):
     .. versionadded:: 1.8.0
         Parameter `decode` added.
         Parameter `file_path` added.
+        Parameter `on_redirect` added.
+        Parameter `on_failure` added.
     '''
 
     def __init__(self, url, on_success=None, on_redirect=None,