diff --git a/lisp/my/img/table-overlay-tikz.png b/lisp/my/img/table-overlay-tikz.png
new file mode 100755
index 00000000..de5c5ef1
Binary files /dev/null and b/lisp/my/img/table-overlay-tikz.png differ
diff --git a/lisp/my/my-org-article.el b/lisp/my/my-org-article.el
index e200b084..851e7c57 100644
--- a/lisp/my/my-org-article.el
+++ b/lisp/my/my-org-article.el
@@ -2324,7 +2324,7 @@ a:link::selection, a:link::-moz-selection {
                         visible-only body-only ext-plist)))
 
 (defun my-org-article-help ()
-  "Open the `org-ref' manual."
+  "Open the `my-org-article' manual."
   (interactive)
   (find-file (expand-file-name
               "my-org-article.org"
diff --git a/lisp/my/my-org-article.org b/lisp/my/my-org-article.org
index a1756d71..c655257f 100644
--- a/lisp/my/my-org-article.org
+++ b/lisp/my/my-org-article.org
@@ -336,6 +336,8 @@ Set caption with \LaTeX{} command
 }%
 #+end_export
 
+[[file:./img/table-overlay-tikz.png]]
+
 *** From Python src block output
 #+begin_src python :results output table :exports results :hlines yes
 a = 1.362658