added purchasing email so people know how to get what they need.

source/handbook/index.html

@@ -191,7 +191,7 @@ extra_css:
               <li>Upgrade to Business Class on EU <=> SFO flights if it is <a href="https://www.google.com/search?q=300+eur+in+usd">EUR 300</a> or cheaper</li>
               <li>Upgrade to Economy Plus on EU <=> SFO flights if you’re taller than 1.95m / 6'5"</li>
             </ul></li>
-            <li>Anything else you need? Please ask!</li>
+            <li>If you need any of the above items or something not on this list, please email to purchasing@gitlab.com. If possible, plesae send a screenshot of the items you need.</li>
           </ol>
         </div>
         <div class="taking-days-off">