docs(router): broken link to DI chapter (#2662)

Author: Foxandxss

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

@@ -2384,7 +2384,7 @@ code-example(format=".", language="bash").
 .l-sub-section
   :marked
     Learn about "providers" and the bootstrap process in the
-    [Dependency Injection chapter](dependency-injection#bootstrap)
+    [Dependency Injection chapter](dependency-injection.html#bootstrap)
 :marked
   ### Which Strategy is Best?
   We must choose a strategy and we need to make the right call early in the project.