update _cache

public/docs/ts/_cache/tutorial/toh-pt5.jade

@@ -9,8 +9,6 @@ block includes
   - var _redirectTo = 'redirectTo'
 
 :marked
-  # Routing Around the App
-
   We received new requirements for our Tour of Heroes application:
 
   * Add a *Dashboard* view.

public/docs/ts/_cache/tutorial/toh-pt6.jade

@@ -12,8 +12,6 @@ block includes
 - var _promise = _Promise.toLowerCase()
 
 :marked
-  # Getting and Saving Data
-
   Our stakeholders appreciate our progress.
   Now they want to get the hero data from a server, let users add, edit, and delete heroes,
   and save these changes back to the server.
@@ -155,7 +153,7 @@ block get-heroes-details
     *Observables* are a powerful way to manage asynchronous data flows.
     We'll learn about [Observables](#observables) later in this chapter.
 
-    For *now* we get back on familiar ground by immediately by
+    For *now* we get back on familiar ground by immediately
     converting that `Observable` to a `Promise` using the `toPromise` operator.
 
   +makeExcerpt('app/hero.service.ts', 'to-promise', '')
@@ -294,7 +292,11 @@ block get-heroes-details
   When the given name is non-blank, the handler delegates creation of the
   named hero to the hero service, and then adds the new hero to our !{_array}.
 
-  Go ahead, refresh the browser and create some new heroes!
+  Finally, we implement the `create` method in the `HeroService` class.
++makeExcerpt('app/hero.service.ts', 'create')
+
+:marked
+  Refresh the browser and create some new heroes!
 
 .l-main-section
 :marked
@@ -344,6 +346,7 @@ block get-heroes-details
 :marked
   Refresh the browser and try the new delete functionality.
 
+#observables
 :marked
   ## !{_Observable}s
 
@@ -532,7 +535,7 @@ figure.image-display
 
 block filetree
   .filetree
-    .file angular2-tour-of-heroes
+    .file angular-tour-of-heroes
     .children
       .file app
       .children
@@ -577,7 +580,7 @@ block filetree
   - We configured an in-memory web API.
   - We learned how to use !{_Observable}s.
 
-  Here are the files we added or changed in this chapter.
+  Here are the files we _added or changed_ in this chapter.
 
 block file-summary
   +makeTabs(