Fixed instructions for building APK.

building.html

@@ -75,9 +75,9 @@
 
           <img src="img/building/06.png">
 
-          <p>8) Click the <b>Make Project</b> button on the Android Studio toolbar.</p>
+          <p>8) Select <b>Build &gt; Build APK</b> from the Android Studio menu.</p>
 
-          <img src="img/building/12.png">
+          <img src="img/building/13.png">
 
           <p>9) When the build process finishes, click <b>Show in File Manager</b> to open the folder containing the APK file, <b>briar-android-debug.apk</b>. You can <a href="http://www.greenbot.com/article/2452614/how-to-sideload-an-app-onto-your-android-phone-or-tablet.html">sideload</a> this file onto any Android device.</p>