docs(router): Minor dev guide fixes

closes #1932

public/docs/_examples/router/ts/app/app.component.3.ts

@@ -28,7 +28,7 @@ import { HeroService }           from './heroes/hero.service';
   */
   /* Crisis Center Detail link
   // #docregion Dragon-anchor
-  <a [routerLink]="['/crisis-center/1']">Dragon Crisis</a>
+  <a [routerLink]="['/crisis-center', 1]">Dragon Crisis</a>
   // #enddocregion Dragon-anchor
   */
   /* Crisis Center link with optional query params

public/docs/_examples/router/ts/app/app.component.ts

@@ -13,7 +13,7 @@ import { HeroService }    from './heroes/hero.service';
     <h1 class="title">Component Router</h1>
     <nav>
       <a routerLink="/crisis-center" routerLinkActive="active"
-         routerLinkActiveOptions="{ exact: true }">Crisis Center</a>
+         [routerLinkActiveOptions]="{ exact: true }">Crisis Center</a>
       <a routerLink="/heroes" routerLinkActive="active">Heroes</a>
       <a routerLink="/crisis-center/admin" routerLinkActive="active">Crisis Admin</a>
       <a routerLink="/login" routerLinkActive="active">Login</a>

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

@@ -702,7 +702,7 @@ h3#navigate Navigate to hero detail imperatively
 +makeExample('router/ts/app/heroes/hero-list.component.1.ts','select')(format=".")
 :marked
   It calls the router's **`navigate`** method with a **Link Parameters Array**. We can use this same syntax
-  with a `RouterLink` if we want to use it HTML rather than code.
+  with a `RouterLink` if we want to use it in HTML rather than code.
 
 h3#route-parameters Setting the route parameters in the list view
 :marked
@@ -1414,9 +1414,9 @@ figure.image-display
 :marked
  It should look something like this, depending on where you run it:
 code-example(format="." language="bash").
-  localhost:3000/heroes;id=15&foo=foo
+  localhost:3000/heroes;id=15;foo=foo
 :marked
-  The `id` value appears in the query string (`;id=15&foo=foo`), not in the URL path.
+  The `id` value appears in the query string (`;id=15;foo=foo`), not in the URL path.
   The path for the "Heroes" route doesn't have an `:id` token.
 :marked
   The query string parameters are not separated by "?" and "&".