diff --git a/Doc/library/inspect.rst b/Doc/library/inspect.rst
index c540b116457..a6b5e801294 100644
--- a/Doc/library/inspect.rst
+++ b/Doc/library/inspect.rst
@@ -660,6 +660,10 @@ function.
       A dict of keyword arguments values.  Dynamically computed from the
       :attr:`arguments` attribute.
 
+   .. attribute:: BoundArguments.signature
+
+      A reference to the parent :class:`Signature` object.
+
    The :attr:`args` and :attr:`kwargs` properties can be used to invoke
    functions::