diff --git a/Doc/library/typing.rst b/Doc/library/typing.rst
index 7269e181c73497..5fa89423d20bf6 100644
--- a/Doc/library/typing.rst
+++ b/Doc/library/typing.rst
@@ -1020,9 +1020,9 @@ The module defines the following classes, functions and decorators:
    ``List[ForwardRef("SomeClass")]``.  This class should not be instantiated by
    a user, but may be used by introspection tools.
 
-.. function:: NewType(typ)
+.. function:: NewType(name, tp)
 
-   A helper function to indicate a distinct types to a typechecker,
+   A helper function to indicate a distinct type to a typechecker,
    see :ref:`distinct`. At runtime it returns a function that returns
    its argument. Usage::