docs(router): Fixed typos

closes #1056
Small typo fixes.

Author: bampakoa

public/docs/ts/latest/guide/router.jade

@@ -104,7 +104,7 @@ include ../_util-fns
   ### Router Outlet
   Now we know how the router gets its configuration.
   When the browser URL for this application becomes `/heroes`,
-  the router matches that URL to the `RouteDefintion` named *Heroes* and displays the `HeroListComponent`
+  the router matches that URL to the `RouteDefinition` named *Heroes* and displays the `HeroListComponent`
   in a **`RouterOutlet`** that we've placed in the host view's HTML.
 code-example(format="", language="html").
   <!-- Routed views go here -->
@@ -318,7 +318,7 @@ figure.image-display
 .l-sub-section
   :marked
     #### Live example note
-    We have to be get tricky when we run the live example because the host service sets
+    We have to get tricky when we run the live example because the host service sets
     the application base address dynamically. That's why we replace the `<base href...>` with a
     script that writes a `<base>` tag on the fly to match.
   code-example(format="")