docs(toh-5): fix typo (#3063)

Author: farazfazli

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

@@ -436,7 +436,7 @@ code-example(language="html").
   ### Parameterized route
 
   We *can* add the hero's `id` to the URL. When routing to the hero whose `id` is 11,
-  we could expect to see an URL such as this:
+  we could expect to see a URL such as this:
 
 code-example(format="nocode").
   /detail/11