diff --git a/Doc/library/json.rst b/Doc/library/json.rst
index 517f9cecfd78146..30c2911d901a865 100644
--- a/Doc/library/json.rst
+++ b/Doc/library/json.rst
@@ -485,7 +485,7 @@ Encoders and Decoders
 Exceptions
 ----------
 
-.. exception:: JSONDecodeError(msg, doc, pos, end=None)
+.. exception:: JSONDecodeError(msg, doc, pos)
 
    Subclass of :exc:`ValueError` with the following additional attributes: