diff --git a/js/counters.js b/js/counters.js
index 153e1e4..77749c2 100644
--- a/js/counters.js
+++ b/js/counters.js
@@ -56,6 +56,7 @@ export default class counters extends Handler {
h2Count = 0; // reset h2
const originalText = el.innerHTML;
el.innerHTML = `${this.toUpperAlpha(h1Count)}${originalText}`;
+ el.setAttribute('data-counter', this.toUpperAlpha(h1Count));
break;
case 'h2':