diff --git a/bind.html b/bind.html
index 83794be..36ea678 100644
--- a/bind.html
+++ b/bind.html
@@ -341,7 +341,7 @@ void render(image & target)
 {
 public:
 
-    <A href="../function/index.html" >boost::function</A>&lt;void&gt; onClick;
+    <A href="../function/index.html" >boost::function</A>&lt;void()&gt; onClick;
 };
 
 class player