diff --git a/content/posts/how-i-convert-pdfs-to-epub.adoc b/content/posts/how-i-convert-pdfs-to-epub.adoc
index c85be81..ab167de 100644
--- a/content/posts/how-i-convert-pdfs-to-epub.adoc
+++ b/content/posts/how-i-convert-pdfs-to-epub.adoc
@@ -237,8 +237,8 @@ the EPUB right now. I found that the footnote-numbers are usually preceded by a
 space and followed by a space or `<`. I use the find & replace function in
 Calibre in Regex-mode to convert them to hyperlinks.
 
-Find: ``&nbsp;([0-9]{1,3})([ <])`` (note the leading space) +
-Replace: `<sup><a epub:type="noteref" href="#fn1_\1">\1</a></sup>\2`
+Find: ``&nbsp;([0-9]{1,3})([ <])`` (note the leading space) + Replace: `<sup><a
+epub:type="noteref" role="doc-noteref" href="#fn1_\1">\1</a></sup>\2`
 
 Press kbd:[<f3>] to search through the text and kbd:[C-r] to replace.