diff --git a/meshview/static/heatmap.html b/meshview/static/heatmap.html
index d8c2148..c3135e2 100644
--- a/meshview/static/heatmap.html
+++ b/meshview/static/heatmap.html
@@ -49,7 +49,7 @@ const legendItems = [
   { color: "#00ffff", label: "Elevated" },
   { color: "#00ff00", label: "High" },
   { color: "#ffff00", label: "Very High" },
-  { color: "#ff0000", label: "Extreme" }
+  { color: "#ff0000", label: "Congested?" }
 ];
 legendItems.forEach(item => {
   const div = document.createElement("div");