diff --git a/demos/blockfactory/index.html b/demos/blockfactory/index.html
index ccfc05654..c3b3bb80b 100644
--- a/demos/blockfactory/index.html
+++ b/demos/blockfactory/index.html
@@ -71,7 +71,7 @@
           <a id="dropdown_addAllFromLib" title="Select all block library blocks.">All Stored in Block Library</a>
           <a id="dropdown_addAllUsed" title="Select all block library blocks used in workspace factory.">All Used in Workspace Factory</a>
         </div>
-        <button id="clearSelectedButton" title="Clear selected blocks.">Clear Selected</a>
+        <button id="clearSelectedButton" title="Clear selected blocks.">Clear Selected</button>
       </div>
 
       <div id="blockSelector"></div>