diff --git a/README.org b/README.org
index 2b9fda3..17dbf59 100644
--- a/README.org
+++ b/README.org
@@ -2836,13 +2836,15 @@ SCHEDULED: <2023-06-30 Fri>
 #+name: lst:valid-org-babel-load-languages-entries
 #+header: :wrap "src emacs-lisp -n :eval never :tangle no"
 #+begin_src emacs-lisp -n :exports both :results value pp :tangle no
+;; "Search failed:" with paren mismatching problems start here,
+;; but the problems are not due to this source block.
 (defun all-org-babel-execute-fns ()
   "Find `ob-LANGUAGE' files in Org defining `org-babel-execute:LANGUAGE'.
 
 Return a list of items where the filename is the `car' of each item and the
 `cdr' of each item lists the `org-babel-execute:LANGUAGE' functions."
   (let* ((dir (file-name-parent-directory (locate-library "org")))
-         (names (directory-files dir t (rx "ob-" (+ print)  ".el" eos))))
+         (names (directory-files dir t (rx "ob-" (+ print) ".el" eos))))
     (cl-loop for name in names
              for found = (has-org-babel-execute-fn name)
              when found collect found)))