Fix incorrect parameter name (GH-22613)



Automerge-Triggered-By: @Mariatta
diff --git a/Doc/library/shutil.rst b/Doc/library/shutil.rst
index ecc3309..3f51227 100644
--- a/Doc/library/shutil.rst
+++ b/Doc/library/shutil.rst
@@ -349,7 +349,7 @@
    will be created in or as *dst* and *src* will be removed.
 
    If *copy_function* is given, it must be a callable that takes two arguments
-   *src* and *dst*, and will be used to copy *src* to *dest* if
+   *src* and *dst*, and will be used to copy *src* to *dst* if
    :func:`os.rename` cannot be used.  If the source is a directory,
    :func:`copytree` is called, passing it the :func:`copy_function`. The
    default *copy_function* is :func:`copy2`.  Using :func:`~shutil.copy` as the