diff --git a/docs/en/01_Tutorials/index.md b/docs/en/01_Tutorials/index.md
index 8403c74e9..525dd3bcd 100644
--- a/docs/en/01_Tutorials/index.md
+++ b/docs/en/01_Tutorials/index.md
@@ -27,6 +27,7 @@ These include video screencasts, written tutorials and code examples to get you
 * [Lesson 15: Building a Search Form](http://www.silverstripe.org/learn/lessons/building-a-search-form)
 * [Lesson 16: Lists and Pagination](http://www.silverstripe.org/learn/lessons/lists-and-pagination)
 * [Lesson 17: Ajax Behaviour and Viewable Data](http://www.silverstripe.org/learn/lessons/ajax-behaviour-and-viewabledata)
+* [Lesson 18: Dealing with Arbitrary Template Data](http://www.silverstripe.org/learn/lessons/dealing-with-arbitrary-template-data)
 
 ## Help: If you get stuck