diff --git a/_posts/docs/2010-12-05-layout-modes.mdown b/_posts/docs/2010-12-05-layout-modes.mdown
index cb74bfb..270df2a 100644
--- a/_posts/docs/2010-12-05-layout-modes.mdown
+++ b/_posts/docs/2010-12-05-layout-modes.mdown
@@ -152,6 +152,9 @@ $('#container').isotope({
 
 {% endhighlight %}
 
+## straightDown
+
+Item elements are arranged vertically top to bottom. Useful for simple lists.
 
 ## Horizontal layouts