Update upgrade-ubuntu.md

Removed documentation referring to DVDs. Changed documentation referring to the Activities Overview, which now refers to the Applications menu and the Show Apps button. Highlighted that the Software Updater may take a moment to show the settings page.

content/upgrade-ubuntu.md

@@ -26,25 +26,25 @@ First, we recommend having Ubuntu installation media (a DVD or USB drive) handy
 
 ## Create Install Media
 
-Create an Installation USB | Create an Installation DVD
--------------------------- | ---------------------------
-[Using Ubuntu](http://www.ubuntu.com/download/desktop/create-a-usb-stick-on-ubuntu) | [Using Ubuntu](http://www.ubuntu.com/download/desktop/burn-a-dvd-on-ubuntu)
-[Using Windows](http://www.ubuntu.com/download/desktop/create-a-usb-stick-on-windows) | [Using Windows](http://www.ubuntu.com/download/desktop/burn-a-dvd-on-windows)
-[Using Mac OS X](http://www.ubuntu.com/download/desktop/create-a-usb-stick-on-mac-osx) | [Using Mac OS X](http://www.ubuntu.com/download/desktop/burn-a-dvd-on-mac-osx)
+Create an Installation USB
+--------------------------
+[Using Ubuntu](http://www.ubuntu.com/download/desktop/create-a-usb-stick-on-ubuntu)
+[Using Windows](http://www.ubuntu.com/download/desktop/create-a-usb-stick-on-windows)
+[Using Mac OS X](http://www.ubuntu.com/download/desktop/create-a-usb-stick-on-mac-osx)
 
 Next, we recommend backing up all important files from your computer. The upgrade process will leave your files intact, but it's best to be safe in case something goes wrong. We have a support article that goes over creating backups [here.](/articles/backup-files)
 
 ## Upgrade
 
 ### Open Software Updater
 
-Open the Activities Overview by clicking on the Activities button in the top left and then search for <u>Software Updater</u>.
+Open the Applications menu by clicking on the Show Apps button on the bottom left of the home screen. The icon looks like a 3-by-3 grid of squares. Then you can type Software Updater in the search bar and open it.</u>.
 
 ![Updater in Overview](/images/upgrade-ubuntu/ubuntu-update.png)
 
 ### Configure Version Updates
 
-Click on **Settings…** and then select **Updates**. You can choose to receive all updates or only LTS updates using the drop-down menu at the bottom, labeled "Notify me of a new Ubuntu version".
+Click on **Settings…** and then select **Updates**. The Software Updater may run for a moment before presenting the settings button. You can choose to receive all updates or only LTS updates using the drop-down menu at the bottom, labeled "Notify me of a new Ubuntu version".
 
 Option | Result
 ------ | ------