diff --git a/ts/routes/graphs/simulator.ts b/ts/routes/graphs/simulator.ts
index f509e2691..4779fa3be 100644
--- a/ts/routes/graphs/simulator.ts
+++ b/ts/routes/graphs/simulator.ts
@@ -196,7 +196,9 @@ export function renderSimulationChart(
const hidden = path.classed("hidden");
if (!hidden) {
- tooltipContent += `#${key}: ${formatY(value)}
`;
+ tooltipContent += `■ #${key}: ${
+ formatY(value)
+ }
`;
}
}