diff --git a/dashboard/static/index.html b/dashboard/static/index.html
index ab28cb5..3d0a26f 100644
--- a/dashboard/static/index.html
+++ b/dashboard/static/index.html
@@ -119,7 +119,7 @@ function summaryLine(d) {
   if (!d) return '—';
   const p = [];
   if ('temperature_c' in d) p.push(`${d.temperature_c}°C`);
-  if ('humidity_pct' in d) p.push(`${d.humidity_pct}% RH`);
+  if ('humidity_pct' in d) p.push(`${d.humidity_pct}%`);
   if ('brightness_lux' in d) p.push(`${d.brightness_lux} lux`);
   if ('door_status' in d) p.push(`door: ${d.door_status}`);
   if ('vibration_status' in d) p.push(`vibration: ${d.vibration_status}`);