Merge pull request libretro#684 from FieryMewtwo/patch-2

Update install-psp.md (again)
libretro#680

docs/guides/install-psp.md

@@ -2,29 +2,27 @@
 
 <iframe width="560" height="315" src="https://www.youtube-nocookie.com/embed/VXY7HjvMfnU" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>
 
-==You currently need the have custom firmware(PRO-C) to run RetroArch on your PlayStation Portable. Hardware or software changes on your device may damage your device. PRO-C must be running before running RetroArch, if you run RetroArch before running PRO-C, data corrupt error will occur.==
+==You currently need to have a custom firmware called PRO-C to run RetroArch on your PlayStation Portable. Hardware or software changes on your device may damage your device. PRO-C must be running before running RetroArch, if you run RetroArch before running PRO-C, the device will say the executable is corrupted..==
 
 ## Prerequisites
 
-This is probably the most straightforward way to install RetroArch.
-
 - Pro CFW(latest version)[^1]
 
 ## Downloading, Installing and Updating
 
 ### Downloading
 
-You can download a bundle with **Stable** version of RetroArch, all the supported cores and all the assets by clicking [here](http://buildbot.libretro.com/stable/{{ unit.stable }}/playstation/psp/RetroArch.7z). You can download **Nightly** version of RetroArch by clicking [here](https://buildbot.libretro.com/nightly/playstation/psp/RetroArch.7z).
+You can download a bundle with the **Stable** version of RetroArch, all the supported cores and all the assets by clicking [here](http://buildbot.libretro.com/stable/{{ unit.stable }}/playstation/psp/RetroArch.7z). You can download the **Nightly** version of RetroArch with all the same extras by clicking [here](https://buildbot.libretro.com/nightly/playstation/psp/RetroArch.7z).
 
 !!! info
-	Nightly files will give you the latest developments. This is sometimes dangerous and sometimes innovative. We will use the Stable version and recommend it.
+	Nightly builds will give you the latest development changes. This is sometimes unstable! We will use the Stable version for this guide.
 
 ### Installing
 
-Installation is also very simple. Just create `RetroArch` folder under `PSP/Game` directory and transfer the archive files to the `PSP/Game/RetroArch` then go to `Memory Stick™` under **Game** press **X** and first or last application is must be RetroArch.
+Installation is also very simple. Just create a `RetroArch` folder under `PSP/Game` directory on your Memory Stick and transfer the archive files to the `PSP/Game/RetroArch` folder, then go to `Memory Stick™` under **Game** press **X**, and then select RetroArch. Press **X** again to open.
 
 ### Updating
 
-Download the latest version and unzip it into 'PSP/Game/RetroArch'. Accept when prompted to overwrite.
+Download the latest version and extract it into 'PSP/Game/RetroArch' on the Memory Stick. Accept when prompted to overwrite.
 
-[^1]: https://code.google.com/archive/p/procfw/downloads
+[^1]: https://code.google.com/archive/p/procfw/downloads