docs(toh-pt3): fix broken link (#3533)

Author: Foxandxss

public/docs/ts/latest/tutorial/toh-pt3.jade

@@ -155,7 +155,7 @@ a#selector
   This module declares only the two application components, `AppComponent` and `HeroDetailComponent`.
 .l-sub-section
   :marked
-    Read more about Angular modules in the [NgModules](../guide/ngmodule.html "Angular Modules (NgModule) guide.
+    Read more about Angular modules in the [NgModules](../guide/ngmodule.html "Angular Modules (NgModule)") guide.
 
 a#add-hero-detail
 .l-main-section