diff --git a/expert.html b/expert.html
index 58d1092..eeb5f08 100644
--- a/expert.html
+++ b/expert.html
@@ -85,7 +85,7 @@ $().ready(function(){
   <input type="checkbox" name="0" id="updateShow0" onchange="updateShow(this.name,this.checked)" />(metal)
   <input type="checkbox" name="2" id="updateShow2" onchange="updateShow(this.name,this.checked)" />(protection)
   </form>
-  <form action="javascript:hiliteNodeList();" />
+  <form action="javascript:hiliteNodeList();">
   <input type="button" value="Highlight:" onclick="hiliteNodeList();" />
   <input type="text" id="HighlightThese" name="HighlightThese" value="" />
   <input type="button" value="Clear Highlighting" onclick="clearHighlight();" />