diff --git a/doc/org-manual.org b/doc/org-manual.org
index 1ad68d387..de2c97f90 100644
--- a/doc/org-manual.org
+++ b/doc/org-manual.org
@@ -13239,17 +13239,17 @@ general options (see [[*Export Settings]]).
 
 - =LANGUAGE= ::
   #+cindex: @samp{LANGUAGE}, keyword
-  #+vindex: org-latex-package-alist
+  #+vindex: org-latex-packages-alist
   In order to be effective, the =babel= or =polyglossia=
   packages---according to the LaTeX compiler used---must be loaded
   with the appropriate language as argument.  This can be accomplished
-  by modifying the =org-latex-package-alist= variable, e.g., with the
+  by modifying the ~org-latex-packages-alist~ variable, e.g., with the
   following snippet:
 
   #+begin_src emacs-lisp
-  (add-to-list org-latex-package-alist
+  (add-to-list 'org-latex-packages-alist
                '("AUTO" "babel" t ("pdflatex")))
-  (add-to-list org-latex-package-alist
+  (add-to-list 'org-latex-packages-alist
                '("AUTO" "polyglossia" t ("xelatex" "lualatex")))
   #+end_src