diff --git a/tools/doc/allhtml.mjs b/tools/doc/allhtml.mjs
index e752e117698cb1..c9f63d6d26f091 100644
--- a/tools/doc/allhtml.mjs
+++ b/tools/doc/allhtml.mjs
@@ -57,8 +57,8 @@ for (const link of toc.match(/<a.*?>/g)) {
       return `<a href="${href}" id="${moduleName}_${id}"`;
     })
     // Update footnote id attributes on list items
-    .replace(/<li id="(user-content-fn-\d+)"/g, (match, id) => {
-      return `<li id="${moduleName}_${id}"`;
+    .replace(/<(\S+) id="(user-content-fn-\d+)"/g, (match, tagName, id) => {
+      return `<${tagName} id="${moduleName}_${id}"`;
     })
     // Prefix all links to other docs modules with those module names
     .replace(/<a href="((\w[^#"]*)\.html)#/g, (match, href, linkModule) => {