diff --git a/README.org b/README.org
index 5874a2f..9c56321 100644
--- a/README.org
+++ b/README.org
@@ -2325,14 +2325,15 @@ list detailing and motivating each listing:
      (maxima . t)
      (org . t)
      (perl . t)
-     ;; Beware: Python activation must not call still unbound functions.
+     ;; Beware of circular Python dependencies.
      (python . t)
      ;; (racket . ,(fboundp 'racket-mode))
      (ruby . ,(fboundp 'ruby-mode))
      ;; MIT/GNU Scheme breaks Babel contrary to Guile, Chez and Chicken Scheme.
      (scheme . ,(fboundp 'geiser-mode))
      (shell . t))
-   org-export-backends '(ascii beamer html icalendar latex odt texinfo) ;; svg4css
+   ;; Removal of `svg4css' from `org-export-backends' to silence warnings.
+   org-export-backends '(ascii beamer html icalendar latex odt texinfo)
    org-file-apps '((auto-mode . emacs)
                    (directory . emacs)
                    ("\\.mm\\'" . default)