fix: Minor grammar/typo corrections

Author: jacobgkau

content/upgrade-ubuntu.md

@@ -30,13 +30,13 @@ First, we recommend having Ubuntu installation media (a DVD or USB drive) handy
 - [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)
+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 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>.
+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, type Software Updater in the search bar and open it.
 
 ![Updater in Overview](/images/upgrade-ubuntu/ubuntu-update.png)
 
@@ -56,15 +56,15 @@ Changing this option will require your user password. After selecting your updat
 
 ### Check For Updates
 
-The system will automatically check for updates. You may need to update (and sometimes, restart) before continuing with the upgrade process. If you have to restart after installing updates, launch the updater again as described above.
+The system will automatically check for updates. You may need to update (and sometimes, reboot) before continuing with the upgrade process. If you have to reboot after installing updates, launch the updater again as described above.
 
 <!-- ![Software Updater](/images/upgrade-ubuntu/Step-2.png) -->
 
 ![Software Updater](/images/upgrade-ubuntu/ubuntu-24.04-upgrade-prompt.png)
 
 ### Install The Upgrade
 
-A message will appear informing you of the availability of the new release. Click **Yes, Upgrade Now**  or **Upgrade…** depending on the window that you have and follow the on-screen instructions.
+A message will appear informing you of the availability of the new release. Click **Yes, Upgrade Now**  or **Upgrade** depending on the window that you have, then follow the on-screen instructions.
 
 ![Upgrade Message](/images/upgrade-ubuntu/ubuntu-24.04-upgrade-window.png)
 
@@ -78,17 +78,17 @@ sudo apt update
 sudo apt install system76-driver
 ```
 
-For NVIDIA Graphics: If you ordered a system with a discrete NVIDIA graphics card, you will need to manually install the closed source drivers for your card to get the optimum performance. Please run the following command:
+**For NVIDIA Graphics:** If you own a system with a discrete NVIDIA graphics card, you will need to manually install the closed source drivers for your card to get the optimum performance. Please run the following command:
 
 ```bash
 sudo apt install system76-driver-nvidia
 ```
 
-Once the process is finished, restart your computer for the changes to take effect.
+Once the process is finished, reboot your computer for the changes to take effect.
 
-### Done
+### After the Upgrade
 
-Once restarted the computer will be on the newly upgraded system! If you run into any issues, check out Troubleshooting below.
+Once rebooted, the computer will be on the newly upgraded version of Ubuntu! If you run into any issues, check out the Troubleshooting section below.
 
 If you use any third-party packages, you'll need to re-enable them in the **Software & Updates** app on the **Other Software** tab. Check any sources that you might need, then close the window.
 
@@ -100,7 +100,7 @@ If you use any third-party packages, you'll need to re-enable them in the **Soft
 
 For more information about releases and how long they are supported for, please see the [Ubuntu Release Wiki](https://wiki.ubuntu.com/Releases).
 
-For more information about what end of life means, please see the [End of Life](https://www.ubuntu.com/info/release-end-of-life) document.
+For more information about what "end of life" means, please see the [End of Life](https://www.ubuntu.com/info/release-end-of-life) document.
 
 For more information on LTS support and the Hardware Enablement Stack, please see the [HWE Wiki](https://wiki.ubuntu.com/Kernel/LTSEnablementStack).
 
@@ -112,24 +112,24 @@ Most upgrades proceed without a hitch, but occasionally things go wrong. If your
 
 ### Stuck Upgrades
 
-If your upgrade appears to hang in place for an extended period of time, click on the **Terminal** item to expand the terminal section. Check what action is available there, then complete the steps to unhang your upgrade. For help, contact support and we'll be able to provide assistance.
+If your upgrade appears to hang in place for an extended period of time, click on the **Terminal** item to expand the terminal section. Check what action is available there, then complete the steps to unhang your upgrade. For help, [contact support](https://system76.com/my-account/support-tickets/new) and we'll be able to provide assistance.
 
 ### Broken Upgrade
 
 Please see the steps above to create bootable media. Restart your computer and use the keys above to start your computer from the bootable media. When given the option, choose **Try Ubuntu**.
 
-Next, follow the steps to repair grub first:
+Next, follow the steps to repair GRUB first:
 
 [Repair Bootloader](/articles/bootloader/)
 
-And then the steps to repair the package manager next:
+And the steps to repair the package manager next:
 
 [Repair Package Manager](/articles/package-manager-ubuntu/)
 
-And continue the upgrade with this command:
+Then, continue the upgrade with this command:
 
 ```bash
 do-release-upgrade
 ```
 
-After that, if all of the grub, apt package manager, and release upgrade commands successfully complete, the computer should be able to boot normally.
+After that, if all of the GRUB, apt package manager, and release upgrade commands successfully complete, the computer should be able to boot normally.