diff --git a/docs/view_renderers.md b/docs/view_renderers.md
index 1d88d21..e26fe83 100644
--- a/docs/view_renderers.md
+++ b/docs/view_renderers.md
@@ -27,6 +27,9 @@ array(
 )
 ```
 
+Note that Smarty and Twig are not bundled with Yii and you have to download and
+unpack these yourself and then specify `twigPath` and `smartyPath` respectively.
+
 Twig
 ----