diff --git a/assets/js/markdown.js b/assets/js/markdown.js
index 27bc63a..49a8b24 100644
--- a/assets/js/markdown.js
+++ b/assets/js/markdown.js
@@ -321,9 +321,10 @@ function buildTable(rows) {
 
 // Apply markdown rendering to all elements with data-markdown attribute
 function renderMarkdownElements() {
-    document.querySelectorAll('[data-markdown]').forEach(element => {
+    document.querySelectorAll('[data-markdown]:not([data-rendered])').forEach(element => {
         const markdownText = element.getAttribute('data-markdown') || element.textContent;
         element.innerHTML = parseMarkdown(markdownText);
+        element.dataset.rendered = '1';
     });
 }