diff --git a/constance/signals.py b/constance/signals.py
index e43f940..fad8198 100644
--- a/constance/signals.py
+++ b/constance/signals.py
@@ -1,3 +1,5 @@
 import django.dispatch
 
-config_updated = django.dispatch.Signal(providing_args=['key', 'value'])
+config_updated = django.dispatch.Signal(
+    providing_args=['updated_key', 'new_value']
+)