diff --git a/public/docs/ts/latest/guide/upgrade.jade b/public/docs/ts/latest/guide/upgrade.jade
index 4d15888a7b..d2f535b583 100644
--- a/public/docs/ts/latest/guide/upgrade.jade
+++ b/public/docs/ts/latest/guide/upgrade.jade
@@ -586,7 +586,9 @@ figure
 .alert.is-helpful
   :marked
     Upgraded componentes are Angular 2 **directives**, instead of **components**, because Angular 2
-    is unaware that Angular 1 will create elements under it.
+    is unaware that Angular 1 will create elements under it. As far as Angular 2 knows, the upgraded
+    component is just a directive - a tag - and Angular 2 doesn't have to concern itself with
+    it's children. 
 
 :marked
   An upgraded component may also have inputs and outputs, as defined by