diff --git a/tests/draw.html b/tests/draw.html
index 6d18fff..48e9f87 100644
--- a/tests/draw.html
+++ b/tests/draw.html
@@ -99,10 +99,10 @@
                 
 
                 context.strokeStyle = "#ccc";
-                context.setLineDash = [3, 3];
+                context.setLineDash([3, 3]);
                 for (let x = 0; x <= 10; x++) {
                     let x_px = x*60 + 100;
-                    context.fillText(`${x/10}`, x_px, 580);
+                    context.fillText(`${x/20}s`, x_px, 580);
                     context.beginPath();
                     context.moveTo(x_px, 580);
                     context.lineTo(x_px, 20);