Update guide

app/index.php

@@ -57,8 +57,8 @@ function array_get($arr, $key, $default = null)
         include events not yet responded to. This service can declutter your calendar by filtering out those events.
     </p>
 
-    <h3><span class="progress-step first">1</span> Get the URL for all of your upcoming facebook events</h3>
-    Follow the <a href="https://www.facebook.com/help/152652248136178">How do I export my events or friends' birthdays?</a> guide and then paste the URL below.
+    <h3><span class="progress-step first">1</span> Get the URL of your upcoming Facebook events</h3>
+    Follow the <a href="https://www.facebook.com/help/152652248136178">How do I export my Facebook events?</a> guide and then paste the URL below.
     The URL should look similar to this: <em>webcal://www.facebook.com/ical/u.php?uid=1645531053&key=AQDdB7kP2hjd14uh</em>
     <input id="fb-calendar" placeholder="Paste the Facebook calendar URL here">
 
@@ -79,7 +79,7 @@ function array_get($arr, $key, $default = null)
     </div>
 
     <h3><span class="progress-step third">3</span> Subscribe to the filtered calendar</h3>
-    <button id="nativecal"><img src="appicon.png">Default Calendar</button>
+    <button id="nativecal"><img src="appicon.png">System Calendar</button>
     <button id="gcal"><img src="gcal.png">Google Calendar</button>
     <p>Or you can manually subscribe to the calendar with the following URL:</p>
     <input id="filtered-calendar" readonly placeholder="Filtered calendar will appear here">