diff --git a/src/app/utils.ts b/src/app/utils.ts
index 576874c4425df76074ae1ce585a7f1aa18a5d44d..4fe226a6be8c5047d939516ee129d50ce8c32e88 100644
--- a/src/app/utils.ts
+++ b/src/app/utils.ts
@@ -174,8 +174,9 @@ export function pieChartContextRenderer({ctx, x, y, state: {selected, hover}, st
     }
     // draw white background circle
     ctx.beginPath();
-    // alternatively window.getComputedStyle(document.documentElement).getPropertyValue('--drgstn-panel');?
     ctx.fillStyle = "white"
+    // or fill like background of graph panel
+    // ctx.fillStyle= window.getComputedStyle(document.documentElement).getPropertyValue('--drgstn-panel');
     ctx.arc(x, y, style.size, 0, 2 * Math.PI,false);
     ctx.fill();
     ctx.stroke();