Fix the reference to the doc about how to update packages

This documentation is now on the about page, not on the profile page.

src/Packagist/WebBundle/Resources/views/About/about.html.twig

@@ -91,7 +91,7 @@ v2.0.4-p1</code></pre>
             <h3 id="update-schedule">Update Schedule</h3>
             <p>New packages will be crawled <strong>immediately</strong> after submission if you have JS enabled.</p>
             <p>Existing packages without auto-updating (GitHub/BitBucket hook) will be crawled <strong>once a week</strong> for updates. When a hook is enabled packages are crawled whenever you push, or at least once a month in case the crawl failed. You can also trigger a manual update on your package page if you are logged-in as a maintainer.</p>
-            <p>It is highly recommended to set up the <strong>GitHub/BitBucket service hook</strong> for all your packages. This reduces the load on our side, and ensures your package is updated almost instantly. Check the how-to in your <a href="{{ path('fos_user_profile_show') }}">profile</a> page.</p>
+            <p>It is highly recommended to set up the <strong>GitHub/BitBucket service hook</strong> for all your packages. This reduces the load on our side, and ensures your package is updated almost instantly. Check the how-to <a href="#how-to-update-packages">below</a>.</p>
             <p>The search index is updated <strong>every five minutes</strong>. It will index (or reindex) any package that has been crawled since the last time the search indexer ran.</p>
         </section>
     </section>