diff --git a/html/force.js b/html/force.js
index a8a975b..d36a2c4 100644
--- a/html/force.js
+++ b/html/force.js
@@ -62,8 +62,18 @@ var style_btn = cp.append("button")
 cp.append("button")
   .attr("class", "btn")
   .attr("value", "reload")
-  .text("Click me!")
   .on("click", pacman)
+  .append("svg")
+  .attr("width", 12)
+  .attr("height", 12)
+  .append("path")
+  .attr("d", d3.svg.arc().innerRadius(0)
+       .outerRadius(5)
+       .endAngle(-Math.PI/4 + Math.PI/2 + 2*Math.PI)
+       .startAngle(Math.PI/4 + Math.PI/2))
+  .attr("fill", "#888")
+  .attr("transform", "translate(6,7)")
+
 
 var btns = cp.append("div")
            .attr("class", "btn-group")