OK, I now understand that documentation patches ought to be based on the
last release.  Please find attached the same patch as a diff to
emacs-29.  Please confirm if this is suitable to install in this form.

Eli Zaretskii <eliz@gnu.org> writes:

>> Date: Sun, 05 Nov 2023 12:27:51 +0000
>> From:  Jeremy Bryant via "Bug reports for GNU Emacs,
>>  the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
>> 
>> Here is a proposed patch to add two docstrings where there were none.  I
>> believe this fits the conventions, otherwise please let me know what is
>> needed.  The patch is attached for install for your consideration.
>
> Thanks, but it doesn't apply to the current Emacs Git.  Would you like
> to rebase it onto the current emacs-29 branch, and then resubmit?