diff --git a/docs/voice.md b/docs/voice.md
index 44bbad19e..be7d5c0ec 100644
--- a/docs/voice.md
+++ b/docs/voice.md
@@ -55,9 +55,9 @@ the aider chat session.
     var counter = 0;
     var timer = document.getElementById('timer');
     setInterval(function() {
-        counter = (counter + 1) % 10;
-        timer.textContent = counter;
-    }, 1000);
+        counter = (counter + 0.1) % 10;
+        timer.textContent = counter.toFixed(1);
+    }, 100);
 </script>
 
 <div style="display: inline-block; position: relative; width: 200px; background-color: #f0f0f0; border-radius: 10px; padding: 10px; color: #333; font-family: 'Comic Sans MS', 'Comic Sans', 'Marker Felt', sans-serif;">