bpo-6761: Enhance __call__ documentation (GH-7987)

(cherry picked from commit 95f710c55714153f0c8cce48f8215bb3d866ac1d)

Co-authored-by: Andre Delfino <adelfino@gmail.com>
diff --git a/Doc/reference/datamodel.rst b/Doc/reference/datamodel.rst
index c527719..8906387 100644
--- a/Doc/reference/datamodel.rst
+++ b/Doc/reference/datamodel.rst
@@ -2168,7 +2168,7 @@
    .. index:: pair: call; instance
 
    Called when the instance is "called" as a function; if this method is defined,
-   ``x(arg1, arg2, ...)`` is a shorthand for ``x.__call__(arg1, arg2, ...)``.
+   ``x(arg1, arg2, ...)`` roughly translates to ``type(x).__call__(x, arg1, ...)``.
 
 
 .. _sequence-types: