Fix 404 page.

Author: fdb

404.md

@@ -6,7 +6,7 @@ Sorry, we couldn't find the page you're looking for. Here are links to the main
 
 Our Software:
 ------------
-* [NodeBox 3](http://nodebox.net/code/): Cross-platform, node-based GUI for efficient data visualizations and generative design.
+* [NodeBox 3](http://nodebox.net/node/): Cross-platform, node-based GUI for efficient data visualizations and generative design.
 * [NodeBox 1](http://nodebox.net/code/): Mac app for creating 2D visuals using Python programming code.
 * [NodeBox OpenGL](http://nodebox.net/opengl/): Fast cross platform graphics library.
 
@@ -22,4 +22,4 @@ Support:
 </script>
 <script type="text/javascript"
   src="http://linkhelp.clients.google.com/tbproxy/lh/wm/fixurl.js">
-</script>
+</script>