Added link to Guidelines page.

index.html

@@ -54,7 +54,7 @@ <h2 id="vision-why"><a href="why-mentor.html">Why?</a></h2>
         <li>Intangibles - humans want to do things that make us feel good, from giving back knowledge received as an apprentice to a new apprentice or just helping someone with a problem</li>
       </ul>
     </section>
-    <h2 id="vision-how">How?</h2>
+    <h2 id="vision-how"><a href="guidelines.html">How?</a></h2>
     <section>
       <h3>Want to become part of the vision?</h3>
       <section>