diff --git a/index.html b/index.html
index be8a784..271fe55 100644
--- a/index.html
+++ b/index.html
@@ -550,7 +550,7 @@ function drawSpectrum() {
     const gap = 4;
     const labelW = 12;
     const segCount = 32;
-    const segG = 1;
+    const segG = 2;
     const segW = Math.floor((vw - labelW - (segCount - 1) * segG) / segCount);
     const totalSegW = segCount * segW + (segCount - 1) * segG;
     const segLeft = labelW + Math.floor(((vw - labelW) - totalSegW) / 2);