diff --git a/cake/libs/set.php b/cake/libs/set.php
index f7fc08be7..82218206d 100644
--- a/cake/libs/set.php
+++ b/cake/libs/set.php
@@ -369,6 +369,7 @@ class Set extends Object {
  * - /User[id>2][<5] (selects all Users with an id > 2 but < 5)
  * - /Post/Comment[author_name=john]/../name (Selects the name of all Posts that have at least one Comment written by john)
  * - /Posts[title] (Selects all Posts that have a 'name' key)
+ * - /Comment/.[1] (Selects the contents of the first comment)
  * 
  * Other limitations:
  * - Only absolute paths starting with a single '/' are supported right now