fixing links

docs/profiles.html

@@ -12,13 +12,13 @@ understand where resources are being spent, and so help you to optimize your
 code:</p>
 
 <ul>
-  <li>The <b><a href="cpu-profiling.md">CPU profiler</a></b> shows where execution time is spent in your
+  <li>The <b><a href="cpu-profiling.html">CPU profiler</a></b> shows where execution time is spent in your
   page's JavaScript functions.</li>
 
-  <li>The <b><a href="heap-profiling.md">Heap profiler</a></b> shows memory distribution by your page's
+  <li>The <b><a href="heap-profiling.html">Heap profiler</a></b> shows memory distribution by your page's
   JavaScript objects and related DOM nodes.</li>
 
-  <li>The <b>CSS Selector Profiler</b> records the aggregate time spent matching selectors to elements in the DOM tree. This time is also captured within "Style Recalculation" <a href="using-timeline.html#rendering_events">Timeline events</a>.</li>
+  <li>The <b>CSS Selector Profiler</b> records the aggregate time spent matching selectors to elements in the DOM tree. This time is also captured within "Style Recalculation" <a href="timeline.md">Timeline events</a>.</li>
 
 </ul>