docs(getting-started): fix anchor in installing AngularJS Material link (#11074)

Author: Splaktar

docs/app/partials/getting-started.tmpl.html

@@ -111,7 +111,7 @@ <h3>Installing the AngularJS Material Libraries</h3>
     <p>
       You can install the AngularJS Material library (and its dependent libraries) in your local
       project using either
-      <a href="https://github.com/angular/bower-material/#installing-angular-material"
+      <a href="https://github.com/angular/bower-material/#installing-angularjs-material"
          target="_blank">NPM, JSPM, or Bower</a>.
     </p>